Single-player games like Summit Smash
Below are 8 single-player Steam games similar to Summit Smash, 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 Summit Smash page.
Ranked picks
- 1
OUTWORKS
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Build a towering 3D fortress and hold the line. Stack floors, raise walls, and place turrets by altitude to survive escalating swarms of ground and flying machines closing on your core — then watch one collapsing tower take everything with it. A lean, neon, code-built base-defense roguelite.
- 2
OmniSeed
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Play as a kind-hearted god in a tiny world. Grow thriving forests, inspire mortals to stand strong, and unleash nature's fury to shield them from evil. One small miracle at a time.
- 3
Defe
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Tower Defense Roguelike with Action RPG elements, combining base building, real-time strategy, resource management, and intense top-down combat. Build by day. Defend by night. Explore and survive, if you can.
- 4
My Infamous Dungeon
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Be evil. Build your dungeon and grow your empire in this roguelite dungeon builder. Hire monsters, set traps, battle heroes, and conquer the overworld with an ever expanding legion of evil.
- 5
Kinghold
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Tower defence and survivors-style chaos collide in this frantic fantasy strategy roguelite. Lead your king, rally your troops, and fortify your defences in real time as you fight, gather, and build to survive waves of enemy hordes.
- 6
Hold It In
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
This game is a brutally hardcore sci-fi tower defense, featuring BBS-era and ASCII graphics. You are a commander who must use everything at your disposal to stop the AI horde from opening the rift, and unleashing a cosmic horror upon the earth.
- 7
WorldShaper Idle
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Relax and build your own world! Discover new tiles by experimenting with tile placement. Use their bonuses to optimize your production, or just sit back and become ever more powerful! What will your worlds look like?
- 8
Gardener's Luck
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Use energy to draw plants and items, grow your army, and command the battlefield. A roguelike tower-defense where luck meets tactics—and your garden fights back.