Single-player games like THE LAST DEFENSE!
Below are 8 single-player Steam games similar to THE LAST DEFENSE!, 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 THE LAST DEFENSE! page.
Ranked picks
- 1

Our War: The Strongest Shield
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy and Casual with THE LAST DEFENSE!.
A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.
- 2

For The Fatherland
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy and Indie with THE LAST DEFENSE!.
6 June 1944, the greatest military invasion in human history begins with Allied soldiers landing in Normandy trying to bring an end to the war. You have been given the task of stopping the Allied invasion and defending the German territories in France. Will you be worthy and defend the Fatherland?
- 3

League TD
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy and Indie with THE LAST DEFENSE!.
"League Tower Defense" is a strategy tower defense game that combines unique defense towers and various upgradeable components to unleash different attack effects. Come and build your perfect defense line.
- 4

Starship Troopers: Terran Command
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy with THE LAST DEFENSE!.
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!
- 5

XCOM® 2
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy with THE LAST DEFENSE!.
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.
- 6

Crossfire: Legion
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy with THE LAST DEFENSE!.
Crossfire: Legion is a real time strategy game featuring tactical action in furious battles across a shattered version of the near future. Raise and customize your army to engage in intense online combat and carve your own path as you rise through the ranks. It’s a new generation of warfare.
- 7

Commandos: Origins
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy with THE LAST DEFENSE!.
ALARM! You have been selected for a mission which will shape the fate of the entire world. Witness the very beginning of the legendary elite WWII force in Commandos: Origins. The long-awaited sequel to the Commandos series brings you right back to the foundation of the real-time tactics genre.
- 8

Ancient Warfare: The Han Dynasty
Single-player alternative to THE LAST DEFENSE! — playable solo, no multiplayer required. Shares Strategy and Indie with THE LAST DEFENSE!.
Ancient Warfare: The Han Dynasty is a wargame demonstrating ancient warfare in China and combining elements of Big Strategy, RTS and RPG. You can learn little-known stories of heroes in ancient China by experiencing battles accommodating thousands of soldiers.