Single-player games like Error_Boy.exe
Below are 8 single-player Steam games similar to Error_Boy.exe, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Error_Boy.exe page.
Ranked picks
- 1
Pix'Hard
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
"Fight off endless hordes of enemies with your ship! Upgrade it to defeat increasingly powerful opponents! Choose your upgrades carefully, manage your priorities, and find your enemies' weak points!"
- 2
Mega City Force
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 3
Spell Defender
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Spell Defender is a 3D, Third-Person, wave defence, survival Roguelite. Use magical powers to defeat waves of enemies. Each wave rewards you with a choice of a new power. Find synergies and combine these powers to create the ultimate defender.
- 4
Angelstruck
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Angelstruck is a 2D roguelite shooter where you demolish the forces of Heaven as you attempt to reach the pearly gates. Overcharge your holy rifle, and min-max your way into insane game-breaking builds. Unlock permanent capabilities and powerful screen-destroying weapons that feed on kills.
- 5
Star of Providence
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Star of Providence is a top down action shooter with procedurally generated elements. Explore a large, abandoned facility in search of incredible power, fighting dangerous foes and gaining new weapons and upgrades as you progress.
- 6
Spell Disk
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Build unique synergy spell combos to destroy the hordes of monsters and bosses in this rogue-lite action game.
- 7
Portal Dungeon
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Portal Dungeon is a side-scrolling Roguelite adventure game that supports up to 4 players in co-op mode. You control an adventurer as you and your friends bravely set out to find the last portal in this world. Go forth! Defeat powerful enemies! Save the world!
- 8
Black Gunner Wukong
Single-player alternative to Error_Boy.exe — playable solo, no multiplayer required. Shares Action and Indie with Error_Boy.exe.
Wukong Survivors" is a TPS + ROGUE game where players control Sun Wukong and his friends, sweeping through all visible enemies and rescuing their captured master.