Single-player games like Haunt Monster
Below are 8 single-player Steam games similar to Haunt Monster, 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 Haunt Monster page.
Ranked picks
- 1
Sealand Survivor
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Survive on Sealand, a mysterious WWII island defense base. Face extreme weather, solve puzzles, and fight off hostile forces trying to stop you. Can you uncover its secrets and escape before time runs out?
- 2
Sci-Fantasy Defence
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Combine physics-based traps, weapons and magic to defend against horde of thousands enemies in this roguelike tower defense with procedurally generated levels and switching between building/combat. Do it solo in VR or with up to 4 players in one PC through local co-op.
- 3
Animal Babysister Fighter : Zombie Coming!
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Zombies and monsters are taking over several planets in the galaxy. As a result, animals are losing their habitats. Your mission is to protect those animals. Use your spaceship to transport the threatened species to shelters on humanity's first star colony!
- 4
Rotten Tide
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Rotten Tide is a horizontal 2D tower defense game where players must protect the world from the attacks of all kinds of monsters who are threatening the humans in big cities all around the world.
- 5
Zombie Wasteland Together
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Indie with Haunt Monster.
Zombie Wasteland Together is a 1–4 player co-op zombie shooter set in a post-apocalyptic desert. Team up with friends, fight endless hordes of infected, and survive using powerful weapons.
- 6
Playground Mayhem
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Defend your base solo or with friends against endless waves of foes using your weapons and turrets. Are you up for the challenge?
- 7
Defender Bros
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Prepare your defenses during the day and survive until dawn. Defender Bros is a Top-Down Tower Defense Roguelike where you play as a Soldier defending your Base. Pick between multiple abilities as you level up to increase you power, then after each run buy perks and get stronger
- 8
Keep Keepers
Single-player alternative to Haunt Monster — playable solo, no multiplayer required. Shares Action and Strategy with Haunt Monster.
Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?