Single-player games like Totally Defenceless
Below are 9 single-player Steam games similar to Totally Defenceless, 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 Totally Defenceless page.
Ranked picks
- 1
Micron Defense Force
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy with Totally Defenceless.
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.
- 2
Infested Planet
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 3
Starship Troopers: Terran Command
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy with Totally Defenceless.
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
- 4
Revenge of the Titans
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
The ultimate mash-up of Real-time Strategy and Tower Defense!
- 5
Dungeon Warfare
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
Dungeon Warfare is a challenging tower defense strategy game where you become a dungeon lord to defend your dungeons with deadliest of traps and insidious contraptions against greedy adventurers and wanna-be heroes.
- 6
Protolife
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.
- 7
Repel The Rifts
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
Repel the Rifts is a roguelite tower defense game where you lead a commander through an alien world, uncovering new terrain each wave, drafting powerful upgrades, and constructing defenses to hold back the chaos.
- 8
CARNAGE OFFERING Tower Defense
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Strategy and Indie with Totally Defenceless.
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
- 9
Skeleton Warrior
Single-player alternative to Totally Defenceless — playable solo, no multiplayer required. Shares Indie with Totally Defenceless.
This is a third person action adventure game. Players are surrounded by zombies，Players are free to explore the surrounding areas，Players must avoid zombie attacks or kill zombies to ensure that their health value survives for as long as possible.