Jack Cao
Editor-in-Chief · GameGuidesBox
Jack Cao is the founder and Editor-in-Chief of GameGuidesBox. He has been writing practical game guides for over a decade, specializing in action RPGs, extraction shooters, and competitive FPS. Every guide he signs is playtested first-hand: his logged test time includes 47 hours across two Crimson Desert playthroughs with DPS verification, 180 hours building a full Windrose settlement, and 45 hours across six Yunyun Syndrome endings runs. Favorite games include Titanfall 2, Baldur's Gate 3, Metro, PUBG, and CS2.
189Guides written
14Games covered
4Verified playtest logs
Verified playtest log
Hours and completion data below are the same figures published on each game's Hub page.
- Crimson Desert 47 hours across 2 playthroughs · all 14 bosses cleared · DPS tested on patch 1.15
- Mistfall Hunter 150 hours · all 6 classes played · Chaos tier cleared · 20 launch guides written
- Windrose 180 hours · full settlement built · all ships constructed
- Yunyun Syndrome: Rhythm Psychosis 45 hours · 6 playthroughs · 39+ endings · 49/49 achievements
All articles by Jack Cao (189)
- Mortal Shell II: Every Playable Shell, Ability Tree, and Unlock Location Mortal Shell II
- Mortal Shell II All 44 Bosses: Locations, Beacons, and Drops Checklist Mortal Shell II
- Mortal Shell II Beginner's First 2 Hours: A No-Nonsense Opening Route for 2026 Mortal Shell II
- Mortal Shell II Best Starting Shell: Tiel, Proxima, or Eredrim First? Mortal Shell II
- Mortal Shell II Best Tarstones: Top 4 Damage Stones to Equip First Mortal Shell II
- Mortal Shell II Boss Order Route: Which Gates to Clear First and the Levers That Unlock Them Mortal Shell II
- Mortal Shell 2 Endgame Push: Endless Core, Tarforge Cap Removal, and the Maxed Cornerstone Loadout Mortal Shell II
- Mortal Shell 2 Eredrim Break and Execute Build: Shoulder Bash, Riposte Loop, and the 22-Point Allocation Mortal Shell II
- Mortal Shell II Zmey the Unbidden: Final Boss Phase Breakdown, Endless Core Prep, and Flame Dodging Mortal Shell II
- Mortal Shell II Harden, Parry, and Break Damage: A Timing Survival Guide Mortal Shell II
- Mortal Shell II Hidden Weapons and Invisible-Wall Easter Eggs Mortal Shell II
- Mortal Shell 2 Lazlo Overheat Crit Build: Axatana, Ballistazooka, and the Heat to Resolve Loop Mortal Shell II
- Mortal Shell II Malborn Offspring: Hardest Boss Build, Phase Breakdown, and Stealth Tactics Mortal Shell II
- Mortal Shell II Night Mode: How to Unlock It and What Actually Changes Mortal Shell II
- Mortal Shell II PC Crash and Stutter Fix: DLSS, Shader Cache, and Settings That Actually Help Mortal Shell II
- Mortal Shell II Resolve Mechanic Explained: Why There Is No Stamina Bar and How Break Damage Works Mortal Shell II
- Mortal Shell II Three Currencies Explained: Gloom vs Glimpse vs Coin Mortal Shell II
- Mortal Shell 2 Tiel Stealth Backstab Build: Shadow Strike, Duality Stone, and the Axe and Dagger Loop Mortal Shell II
- Mortal Shell II vs Elden Ring and the Original: Which Soulslike Actually Deserves Your $49.99 Mortal Shell II
- Mortal Shell II Weapon Upgrade Priority: Which Weapon to Level First and Where to Farm Materials Mortal Shell II
- Crimson Desert Abyss Cores: Complete Crafting Formula & Tier 3 Upgrade Guide Crimson Desert
- Crimson Desert Early Stamina Stat Points: Levels 1-20 Optimal Upgrade Path Crimson Desert
- Crimson Desert Skill Observation Unlock List: All Boss Learnable Skills Quick Reference Crimson Desert
- How to Hit 9 Targets on the High-Speed Rail Section to Unlock the Sniper Trophy Resident Evil 9
- What Weapon and Charm Combinations Are Most Efficient for Speed Runs in Resident Evil 9 Requiem Resident Evil 9
- Mistfall Hunter Class Tier List: All 6 Ranked After Launch Patch Mistfall Hunter
- Mistfall Hunter Maps Guide: All Zones, Extraction Points, and Loot Routes Mistfall Hunter
- Mistfall Hunter Beginner: 6 Mistakes That Waste Your First 10 Hours Mistfall Hunter
- Mistfall Hunter All Bosses: Otto, General Harald, and Mist Lord Strategies Mistfall Hunter
- Mistfall Hunter Builds: 6 Class Setups That Actually Work Mistfall Hunter
- Mistfall Hunter Money Guide: Best Ways to Farm Gyldenblod Fast Mistfall Hunter
- Mistfall Hunter Einherjar Mode: Holy Weapon Farming Guide Mistfall Hunter
- Mistfall Hunter Holy Weapons: Full List of Effects and How to Farm Them Mistfall Hunter
- Mistfall Hunter Hallowgrove vs Brandergard: Map Guide and Farming Routes Mistfall Hunter
- Mistfall Hunter Skills Guide: Weapon Abilities, Combos, and Cooldowns Mistfall Hunter
- Mistfall Hunter Stuttering Fix: Best PC Settings for Stable FPS Mistfall Hunter
- Mistfall Hunter Solo: Best Class and Extraction Route for Lone Wolves Mistfall Hunter
- Mistfall Hunter Sorcerer Build: Stardust vs Elemental — Best DPS Setup Mistfall Hunter
- Mistfall Hunter Withered Knight: Best Builds for Greatsword and Polearm Mistfall Hunter
- Bongo Cat Beginner Guide: First 24 Hours & 2x Speed Setup Bongo Cat
- Mistfall Hunter Enemies Guide: Bestiary, Boss Strategies, and Weaknesses Mistfall Hunter
- Mistfall Hunter Talents Guide: Build Planning for Every Class Mistfall Hunter
- Arc Raiders Best Settings: FPS Optimization & Keybinds Arc Raiders
- Arc Raiders Best Weapons Ranked (Budget to Endgame) Arc Raiders
- Arc Raiders Boss Guide: Matriarch / Bastion / Bombardier Kills Arc Raiders
- Arc Raiders Map Loot Routes: Best Drop Zones & Extraction Paths Arc Raiders
- Arc Raiders Money Farming Guide: Fast Coin Loop Arc Raiders
- Bongo Cat Desktop Pet Setup: Performance & Overlay Tips Bongo Cat
- Bongo Cat Duplicate Exchange Guide: Upgrade Material Math Bongo Cat
- Bongo Cat Event Farming Guide: Limited Items & Drop Boosts Bongo Cat
- Bongo Cat Full Collection Route: All Legendaries & Completion Guide Bongo Cat
- Crimson Desert All Bosses Guide: Patterns & No-Damage Strategies Crimson Desert
- Crimson Desert Castle Siege Guide: AoE Builds & Positioning Crimson Desert
- Crimson Desert Mercenary Troop Management Guide Crimson Desert
- Crimson Desert Mount & Travel Guide: Fast Travel Unlock Crimson Desert
- Crimson Desert Open World Map Guide: 5 Regions & Points of Interest Crimson Desert
- DOOM Dark Ages All Secrets & Collectibles Guide (Full Game) DOOM: The Dark Ages
- DOOM Dark Ages All Weapons Ranked by Tier + Upgrade Priority DOOM: The Dark Ages
- DOOM Dark Ages Best Settings for High FPS on PC DOOM: The Dark Ages
- DOOM Dark Ages Master Arenas Guide: Loadouts & Wave Strategies DOOM: The Dark Ages
- DOOM Dark Ages Nightmare Difficulty Guide: Survive the Hardest Mode DOOM: The Dark Ages
- Dwarf Eats Mountain All Achievements and True Ending Checklist Dwarf Eats Mountain
- Dwarf Eats Mountain Best Artifacts Synergy Combos That Actually Work Dwarf Eats Mountain
- Dwarf Eats Mountain Best Build Archetypes: 12 Playstyles Tested Dwarf Eats Mountain
- Dwarf Eats Mountain Offline Progression Guide: Maximize AFK Gains Dwarf Eats Mountain
- Kaiju No. 8 The Game: Beginner Progression First 7 Days Kaiju No. 8 The Game
- Kaiju No. 8 The Game Best Weapons Ranked (All Tiers) Kaiju No. 8 The Game
- Kaiju No. 8 The Game Character Tier List (2026, Patch 1.11) Kaiju No. 8 The Game
- Kaiju No. 8 The Game Reroll Tier List + Pull Strategy (2026) Kaiju No. 8 The Game
- Kaiju No. 8 The Game Uniparts Sets Explained: Which Set on Whom Kaiju No. 8 The Game
- Marathon Best Weapons Ranked + Loadout Combos Marathon
- Marathon Map Loot Routes: High-Value Extraction Timing Marathon
- Marathon Runner Shell Tier List: All 7 Shells Ranked (Season 2) Marathon
- Marathon Vandal & Triage Best Build Guide (Team Play) Marathon
- Marathon Vault & Heat Management Guide Marathon
- Mistfall Hunter Armor Guide: Rarity, Stats, and Optimization Mistfall Hunter
- Resident Evil 9 Requiem: All 21 Antique Coin Locations Resident Evil 9
- Resident Evil 9 Requiem: All 25 Mr. Raccoon Locations (Chapter Guide) Resident Evil 9
- Resident Evil 9 Requiem: All Charms Ranked & Best Combos Resident Evil 9
- Resident Evil 9 Requiem: Best PC Settings & Performance Fixes Resident Evil 9
- Resident Evil 9 Requiem: Insanity Difficulty Guide & Puzzle Changes Resident Evil 9
- Slay the Spire 2 Best Cards Tier List (All Classes, v0.109) Slay the Spire 2
- Slay the Spire 2 Ironclad Best Build: Strength Block Archetype Slay the Spire 2
- Slay the Spire 2 Regent & Necrobinder Best Builds (New Classes) Slay the Spire 2
- Slay the Spire 2 Silent Best Build: Poison & Shiv Routes Slay the Spire 2
- Slay the Spire 2 Stars Forge Graveyard Mechanics Explained Slay the Spire 2
- SpiritVale Card Farming Guide: Best Drop Spots & Routes SpiritVale
- SpiritVale Hidden Boss Spawns & Rare Drops: Locations, Timers, Loot SpiritVale
- SpiritVale Mage Build Guide: AoE Burst Rotation & Stat Priority SpiritVale
- SpiritVale Swordsman & Archer Build Guide: Knight vs Scout SpiritVale
- SpiritVale Vending Profit Guide: What Sells Fastest SpiritVale
- Windrose Best Ships Ranked: Which Hull to Build First (2026) Windrose
- Windrose Creatures & Combat Guide: Enemy Weak Points Windrose
- Windrose Farming Guide: Food, Crops & Resource Loops Windrose
- Windrose Quest Routing Guide: Fastest Faction Unlock Order Windrose
- Windrose Settlement Layout Guide: Station Placement & Efficiency Windrose
- Yunyun Syndrome All Soft Locks & How to Avoid Them Yunyun Syndrome Rhythm Psychosis
- Yunyun Syndrome Rhythm Gameplay Guide: Timing & Full Combo Tips Yunyun Syndrome Rhythm Psychosis
- Yunyun Syndrome Stat Farming Guide: HYPE / YUNYUN to 999% Yunyun Syndrome Rhythm Psychosis
- Yunyun Syndrome True Ending Explained: DENPA TRANSMISSION Route Yunyun Syndrome Rhythm Psychosis
- Mistfall Hunter Weapons Guide: All 11 Weapon Types Ranked and Explained Mistfall Hunter
- Mistfall Hunter Classes Guide: All 6 Hunters Ranked and Explained Mistfall Hunter
- Mistfall Hunter Beginner's Guide: Survive Your First 10 Raids Mistfall Hunter
- SpiritVale Beginner's Guide: 7 Classes, Gear Refining & Economy Basics SpiritVale
- SpiritVale Card System Guide: Best Card Combinations & Farming Routes SpiritVale
- SpiritVale 7 Base Classes & Advanced Jobs Guide: Full Tier List and PVE/PVP Ratings SpiritVale
- SpiritVale Equipment Refining Guide: White to God-Tier Upgrade Path SpiritVale
- SpiritVale Fast 1-60 Leveling Guide: Best Grinding Spots & XP Efficiency Maps SpiritVale
- SpiritVale Hidden Boss Spawns & Rare Drops Guide: Locations, Respawn Timers, Loot Tables SpiritVale
- SpiritVale Necromancer Ultimate Build Guide: Summoner vs Lifesteal vs Poison SpiritVale
- SpiritVale Performance & Bug Fix Guide: FPS Drops, Stuttering, Crashes Solutions SpiritVale
- SpiritVale Trading Guide: How to Make Gold with Player Vending & Price Analysis SpiritVale
- DOOM The Dark Ages: Chain Spear ?? Fix After Revelations DLC DOOM: The Dark Ages
- DOOM Revelations: Chain Spear vs Shield Saw for Every Fight DOOM: The Dark Ages
- DOOM Revelations Master Key: Complete Endgame Route in 6-8 Hours DOOM: The Dark Ages
- DOOM Revelations Osseus: 12 Secrets Route Map for 100% Completion DOOM: The Dark Ages
- DOOM Revelations Chain Spear Upgrades: Best Priority Path (2026) DOOM: The Dark Ages
- DOOM: The Dark Ages Revelations: Complete Walkthrough in 4 Hours or Less DOOM: The Dark Ages
- DOOM: The Dark Ages Revelations DLC Not Loading: 4 Fixes That Work DOOM: The Dark Ages
- DOOM Revelations Uber Boss: Astral Key Route and Unlock Guide DOOM: The Dark Ages
- DOOM The Dark Ages Ripatorium 3.0: New Arenas, Presets, and What Changed From 2.0 DOOM: The Dark Ages
- DOOM Revelations Warlock Guide: How to Kill the Run-Ender DOOM: The Dark Ages
- Aoi Kaguragi (Fruits of Diligence) Best Build Guide - Kaiju No. 8 The Game Kaiju No. 8 The Game
- Kaiju No. 8 The Game Beginner's Guide: Tips, Systems, and Progression Kaiju No. 8 The Game
- Kaiju No. 8 The Game Best Squad Compositions: Team Builds for Every Situation Kaiju No. 8 The Game
- Kaiju No. 8 The Game — Boss Fight Guide: All Raid Boss Mechanics & Team Strategies Kaiju No. 8 The Game
- Kaiju No. 8 The Game — Event Guide: Limited-Time Events, Rewards & Completion Strategies Kaiju No. 8 The Game
- Kaiju No. 8 The Game: Haruichi Izumo Calculated Choice Best Build Guide Kaiju No. 8 The Game
- Iharu Furuhashi Best Build Guide - Kaiju No. 8 The Game Kaiju No. 8 The Game
- Kafka Hibino Best Build Guide - Kaiju No. 8 The Game Kaiju No. 8 The Game
- Kaiju No. 8 The Game: Kikoru Shinomiya Guiding Light of the Future Best Build Guide Kaiju No. 8 The Game
- Kaiju No. 8 The Game: Mina Ashiro Off the Scale Best Build Guide Kaiju No. 8 The Game
- Kaiju No. 8 The Game: Reno Ichikawa 5-Star Best Build Guide Kaiju No. 8 The Game
- Kaiju No. 8 The Game Reroll Guide: How to Reroll & Best Characters to Target Kaiju No. 8 The Game
- Kaiju No. 8 The Game: Soshiro Hoshina Hoshina-Style Sword-Slay Technique Best Build Guide Kaiju No. 8 The Game
- Kaiju No. 8 The Game — Uniparts Farming Guide: Best Stages, Drop Rates & Optimization Kaiju No. 8 The Game
- Dwarf Eats Mountain: 10 Mistakes That Cost You Hours of Time Dwarf Eats Mountain
- Dwarf Eats Mountain Artifact Tier List: 122+ Relics S/A/B/C Dwarf Eats Mountain
- Dwarf Eats Mountain Build Order: First Prestige in 3 Phases Dwarf Eats Mountain
- Dwarf Eats Mountain: Every Calamity Disaster and Survival Guide Dwarf Eats Mountain
- Dwarf Eats Mountain Goblin King: Boss Phases and Kill Strategy Dwarf Eats Mountain
- Dwarf Eats Mountain: Mithril vs Mountain Souls Spending Guide Dwarf Eats Mountain
- Dwarf Eats Mountain: Newbie to True Ending Full Walkthrough Dwarf Eats Mountain
- Dwarf Eats Mountain Prestige Timing: Decision Tree for Resets Dwarf Eats Mountain
- Dwarf Eats Mountain T6 and Endless Mode: Post-Mountain 100 Dwarf Eats Mountain
- Dwarf Eats Mountain vs Cookie Clicker and Melvor Idle Review Dwarf Eats Mountain
- Yunyun Syndrome All 49 Achievements: Unlock Conditions and Multi-Playthrough Planning Yunyun Syndrome Rhythm Psychosis
- Yunyun Syndrome DOKIDOKI 999%: Fastest Route, Difficulty Comparison, and Auto-Sync Settings Yunyun Syndrome Rhythm Psychosis
- Yunyun Syndrome All 39+ Endings Route Map: Multi-Playthrough Planning, Soft Lock Prevention, and Rhythm Optimization Yunyun Syndrome Rhythm Psychosis
- Windrose Crash Fix: 12 Solutions That Actually Work Windrose
- Marathon Crash Fix: Stop Losing Your Gear Marathon
- Windrose Survival Guide: 9 Tips That Actually Keep You Alive Windrose
- Slay the Spire 2: All Monsters & Boss Guide - Complete Data & Strategies Slay the Spire 2
- I Spent 100 Hours In Slay The Spire 2 And I'm Still Not Bored. Here's Why. Slay the Spire 2
- Slay the Spire 2 Complete Guide: Character Analysis, Deck Building & Advanced Strategies Slay the Spire 2
- Slay the Spire 2 Classes Guide — All 5 Characters, Builds, and Mechanics Explained Slay the Spire 2
- Slay the Spire 2 Relic Tier List — Every Relic Ranked Slay the Spire 2
- Arc Raiders All ARC Machine Weak Points & How to Kill Each Arc Raiders
- Arc Raiders Best Budget Loadout for Beginners Arc Raiders
- Arc Raiders Best Solo Build Loadout Guide Arc Raiders
- Arc Raiders Crafting Guide: Workshop Upgrades & Blueprints Arc Raiders
- Arc Raiders Grenade & Trap Tier List: Best Explosives Ranked Arc Raiders
- Arc Raiders Skill Tree Guide: Best Perks to Unlock First Arc Raiders
- Crimson Desert Boss Skill Observation Speedrun: 30-Minute Route to Unlock All Observable Skills Crimson Desert
- Crimson Desert Contribution System Explained: How to Farm XP & Unlock Faction Armor Fast Crimson Desert
- Crimson Desert Merchant Backpack Expansion: All One-Time Purchase Inventory Upgrade Locations Crimson Desert
- Marathon All Quests Priority Contracts Guide And Map Marathon
- Marathon Guide to Pinwheel Base Entry & FTL Array Scanning Marathon
- Resident Evil 9 Requiem Full Puzzle Solution Ultimate Guide Resident Evil 9
- Arc Raiders: 10 Tips to Avoid PvP and Extract Safely (Solo Guide 2026) Arc Raiders
- Arc Raiders: Canto Blueprint Location — Complete Farming Guide (All Spawn Points & Routes) Arc Raiders
- Crimson Desert Abyss Cores Class Priority: Best Core Selection for Each Profession Crimson Desert
- Crimson Desert Cat Dog Interaction Locations: Daily +25 Trust Farming Spots Crimson Desert
- Crimson Desert Kliff/Oongka/Damiane: Endgame Graduation Build Formulas Crimson Desert
- Crimson Desert Two-Handed vs Dual Wield Weapons: DPS Testing + Best Weapon Recommendations Crimson Desert
- Crimson Desert Wyvern's Sanctum Location Guide: Fast Travel, Rewards, Strategy Crimson Desert
- How to Unlock Oongka in Crimson Desert — Chapter 7 Guide & Best Builds Crimson Desert
- Crimson Desert PC Graphics Settings: Best Optimization Guide for Low and Mid-Range Hardware Crimson Desert
- Marathon Ranked Mode Guide: Release Date, Requirements, Rewards & How It Works Marathon
- Marathon Beginner Guide: 7 Essential Tips to Avoid 80% of Early Mistakes Marathon
- Marathon Assassin Build: Best Solo Loadout Guide Marathon
- Marathon quick start guide,too many items are designed to be dazzling Marathon
- Bongo Cat Advanced Guide: Item Drops, Rarity System & Efficient Collection Strategies Bongo Cat
- Crimson Desert advanced Guide: Welcome to Pywel Crimson Desert
- Marathon Complete Guide: Factions, Quests, Runner Shells, and Advanced Strategies Marathon
- All Weapons and Guns in Resident Evil Requiem (RE9) Resident Evil 9
- Resident Evil 9 Requiem Boss Guide and Attack Techniques Resident Evil 9
- Resident Evil 9 Requiem Complete Walkthrough Resident Evil 9
- Resident Evil 9 Requiem Platinum Guide Collectibles Resident Evil 9