Single-player games like Abyss Defence
Below are 8 single-player Steam games similar to Abyss Defence, 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 Abyss Defence page.
Ranked picks
- 1
Little Kingdom RTS
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.
- 2
MythTerra
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
The goblin tribes have descended from the wastelands, and only you can stop them. In this high-fantasy pixel art RTS, you must unite the fractured realms of humans, elves, and dwarves. Build your base, manage resources, and unleash powerful magic to defend your kingdom from the goblin horde.
- 3
Dangerous Land
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
Dangerous Land is a first-person strategic game enriched with elements of exploration and action. Assume the role of the ruler of your settlement, manage and develop it in real-time, recruit and upgrade units, take care of resources, and participate in epic battles.
- 4
Waveguard
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy with Abyss Defence.
A roguelike tower defense where every run reshapes your strategy. Build your team of towers, combine more than 80 artifacts, and explore a pixel-art world while taking on ever tougher challenges and bosses.
- 5
Apocalypseed
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
Apocalypseed is a 2D real-time strategy game where you are the invasion. Devour humans to harvest flesh, build and strengthen an army of alien plants, and evolve your creatures into new forms with unique abilities. Crush the human resistance as it deploys increasingly dangerous threats to stop you.
- 6
Path Defenders: RPG Siege Defense
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
A single-player MMORPG fused with tower defense. Recruit heroes, Build bizarre but devastating towers, and fight beside them in real-time 3D combat against waves of enemies.
- 7
AeonFall
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Indie with Abyss Defence.
Endless waves of 100,000 infected pour toward you. A brutally hard roguelike defense built on the Paradox of Progress: every advance raises the noise, and louder noise draws a deadlier swarm. Design your base, break through with one unit you control, and adapt each run. Survive a planet alone.
- 8
CastleOn Scriptum
Single-player alternative to Abyss Defence — playable solo, no multiplayer required. Shares Strategy and Simulation with Abyss Defence.
Build a castle and defend it from your enemies! Construct towers, place traps, train and command units in this historical, manuscript-themed mix of Tower Defense and classical Real Time Strategy.