Single-player games like Sealand Survivor
Below are 8 single-player Steam games similar to Sealand Survivor, 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 Sealand Survivor page.
Ranked picks
- 1

Haunt Monster
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Sealand Survivor.
Haunt Monster is a FPS Action Roguelike game in a random generated environment. Build, defend and survive waves of zombies, monsters and aliens. Play solo or co-op with a friend to survive.
- 2

Putin Must Die - Defend the White House
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Sealand Survivor.
Vladimir has gone mad. He has created an army of Russian-speaking Putin clones to destroy America, and the White House is the final frontier. You must defend the White House against invading hordes of Vladimir clones, or become one of them. Zombies have Procedural Dismemberment.
- 3

Modavuj Save The Babies
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Sealand Survivor.
Save The Babies is an adventure game where you enter into armed conflicts with robots and try to overcome many platform obstacles. In 8 levels, you need to save 8 girls by overcoming obstacles that become more difficult as you progress.
- 4

The Last Hope: Exodus
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Sealand Survivor.
An atmospheric FPS zombie survival game where you scavenge for food and supplies during the day and survive terrifying nights to keep your wife alive as a deadly infection spreads across the world.
- 5

Lucky Pikinini - Cybernetic Titan
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Sealand Survivor.
First-Person Action Round-Survival Shooter, The IMS Cybernetic Titan Duo: SGT Kozack And CPL Sebastian Have To Survive Guerilla Warfare Attacks By The Con-Federation Of Global Terrorism Sent By High Ranking CGT Officer MAJOR: Nickolai Patrikov Who Wants To Kill Them For Sabotaging Protocol 87.
- 6

BossHunter VR
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Adventure with Sealand Survivor.
BossHunter VR is the first version of the game where players will have to fight many interesting opponents, use multiple weapons, and a unique mechanic of its kind where the player directly commands a weapon to execute something with the help of speech. The hunt is on!
- 7

Cyborg: Rise
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Indie with Sealand Survivor.
An adventure game that combines first person shooter and Roguelite random elements. Players can manipulate heroes with different abilities in the game. Embark on adventure challenges in random levels. Every time you respawn, you can unlock new skills and equipment to challenge stronger enemies.
- 8

Forest Frenzy
Single-player alternative to Sealand Survivor — playable solo, no multiplayer required. Shares Action and Indie with Sealand Survivor.
Shoot to survive, shoot em' up, score attack! A wave based shooter where you must buy weapons and upgrades to survive! Get local high scores or compete on steam leaderboards!