Single-player games like Cosmic Raze
Below are 13 single-player Steam games similar to Cosmic Raze, 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 Cosmic Raze page.
Ranked picks
- 1
The Sentinel
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmic Raze.
Defend your castle against waves of invaders in 'The Sentinel,' a tower defense game. Strategically upgrade weapons and defenses, make tough choices, and immerse yourself in intense battles. Will you triumph and protect your realm?
- 2
Micron Defense Force
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Strategy with Cosmic Raze.
A Roguelike Tower Defense in space with missions to conquer. Can you hold against the spreading alien bosses? Build and upgrade towers against the corruption. Choose your technologies and warpspeed your way to victory.
- 3
Castle And Cursor
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Raze.
Do you like Tower Defense and also clicking the cursor? Then defend your castle with itself and with your cursor. Each castle has its own unique upgrades. Complete stages unlock different castles and upgrade your cursor skills.
- 4
Sentry System
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmic Raze.
Sentry System is a tower defense roguelike where you collect, modify and upgrade your sentries while progressing through a network of challenging encounters.
- 5
Spire of Glory
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Raze.
Surpass the challenges of the Spire. Your legacy begins now. Prove your worth.
- 6
Defender's Quest 2: Mists of Ruin
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmic Raze.
Rise above the Mirk and protect your ship from dangers unknown in the latest entry in the classic Defender’s Quest tower defense series!
- 7
Centipede Gun
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Raze.
Centipede Gun is a roguelite autobattler where you create bizzare creatures to face hordes of enemies! Combine different guns, modules and skills to make unique synergies and upgrade your cute little destruction machine!
- 8
Northend Tower Defense
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Raze.
Jump into a realtime strategy, action filled battlefield, deploy relentless soldiers, unlock powerful troops and vehicles, upgrade your army, decimate the enemy. If that's not enough, jump into a chaotic Zombie mode, with traps, fun upgrades, and a new gameplay!
- 9
Gunlocked
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Raze.
A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!
- 10
Arcane Golf
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Indie with Cosmic Raze.
Arcane Golf is a miniature golf puzzle game set in a fantasy world full of dungeons, dangers, gems, and geometry. Play across 200 levels set in 4 unique courses inspired by classic adventure games!
- 11
Boons & Burdens
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Raze.
Boons & Burdens is a single player action-roguelike set in the depths of hell. Battle hordes of demons through 12 levels, collect gems to purchase powerful boons, and choose from deadly burdens that alter the game's difficulty. Will you be the paragon of power or the architect of your own defeat?
- 12
Gunlocked 2
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Raze.
Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!
- 13
Hellfish
Single-player alternative to Cosmic Raze — playable solo, no multiplayer required. Shares Action and Indie with Cosmic Raze.
Hellfish is a classic side-scrolling shoot 'em up set deep in a corrupted ocean. Battle demonic sea creatures as The Pope using his holy submarine, and customize your righteous weapons in unique ways every time you play.