Single-player games like Grimwave
Below are 8 single-player Steam games similar to Grimwave, 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 Grimwave page.
Ranked picks
- 1
Mega Raiders
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
Fight thousands of enemies alongside your friends, grow stronger together, and unlock new characters and weapons. Craft powerful ultimates to destroy bosses or save a fallen friend. Customize your skill tree to match your playstyle, and survive endless hordes with countless build combinations.
- 2
Super Robot Survivors
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
A Roguelite Bullet-Heaven where you rescue astronauts, repair reactors, and hack terminals while blasting hordes of robots in high-stakes, 10-minute showdowns. From the Creative Director of Destroy All Humans! 2 and co-creator of TY the Tasmanian Tiger.
- 3
Master of Chaos: Beat or Break the Game
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
Pulverize your enemies for underestimating this cute little wizard by counter attacks, deflecting projectiles, unleashing face-melting ultimate abilities and building insane combos boosting your power until you are strong enough to beat the boss or break the game - Either way you win.
- 4
Fake Hero
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
Fight alone or alongside friends as a cast of unconventional “heroes,” each with their own unique abilities. Battle endless waves of monsters, collect items, learn skills, choose talents, and create your own powerful build as you defeat mighty foes and fight your way to the Moon!
- 5
幻想郷大激突 : Touhou Impact
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
幻想郷大激突 : Touhou Impact is an unofficial Touhou Project fan game. Youkai have appeared—far too many of them. This is clearly an incident, but don't worry. In Gensokyo, the answer is simple: beat them all up first, then find the culprit later.
- 6
PengPong
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
PengPong is a bullet-hell roguelike where pinball meets gambling. Bounce your way through chaos and bet it all to survive.
- 7
Assembly Run
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
Blast through a miniature toy world alone or with up to three friends in a high-speed roguelike shooter. Snap bizarre attachments onto your weapon, master fluid movement, and stack loot until your build becomes unstoppable.
- 8
Square!
Single-player alternative to Grimwave — playable solo, no multiplayer required. Shares Action and Indie with Grimwave.
Shatter endless enemy waves from the baseline, rake in gold and XP, level up and draft modules and ball upgrades to forge absurd builds, then hold the line as bosses widen the arena and the grid fights back!