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
Ants Times Infinity
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy with Summit Smash.
Craft your nest underground, finding powerful combinations of chambers and pheromones to build the perfect ant-spawning engine. Then unleash them in their thousands onto the surface, directing workers to fuel the swarm while soldiers and champions push out to conquer enemy territories.
- 2
D for Defender
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
A Tower Defense with no respite, no waves, no end. Facing monsters that learn from your placements and adapt in real time to every one of your weaknesses, build and upgrade your defenses freely to create the perfect trap.
- 3
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.
- 4
Secret of Circadia
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Secret of Circadia is a unique blend of old school RPGs, Roguelike Deckbuilder mechanics and light City Builder elements where you use the Circadian Rhythm and Time of Day itself to restore a world corrupted by an AI made from humanity's hubris.
- 5
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.
- 6
Runechain Towers
Single-player alternative to Summit Smash — playable solo, no multiplayer required. Shares Strategy and Indie with Summit Smash.
Build powerful combinations of attack and support towers, create unique defensive strategies, withstand enemy waves, and defend your stronghold in this strategic tower defense game.
- 7
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.
- 8
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.