4Stack #15 — answers & breakdown

Tuesday, July 28, 2026

The sixteen cards in this puzzle were: Portal, Team Fortress 2, Left 4 Dead, Half-Life: Alyx, Warcraft, Diablo, Hearthstone, Heroes of the Storm, Fall Guys, Rocket League, Unreal Tournament, Infinity Blade, Counter-Strike, Dota, DayZ, Garry's Mod.

The four stacks

Valve games

Portal, Team Fortress 2, Left 4 Dead, Half-Life: Alyx

Blizzard games

Warcraft, Diablo, Hearthstone, Heroes of the Storm

Owned by Epic Games

Fall Guys, Rocket League, Unreal Tournament, Infinity Blade

Started as mods

Counter-Strike, Dota, DayZ, Garry's Mod

Want to try it yourself? Play puzzle #15 — archive plays don't affect your streak. Or jump into today's puzzle.