Single-player games like Islets Defense
Below are 9 single-player Steam games similar to Islets 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 Islets Defense page.
Ranked picks
- 1
Brews & Kings
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
A roguelike medieval city builder where your whole city feeds one sprawling brewing operation. Scout for rare ingredients and resources, raise the farms, mills, and workshops that keep it running, and supply the factions you want to win over. Kings rise or fall on the strength of your beer.
- 2
Project Oasis
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Build a thriving settlement, manage individual settlers, master complex building systems, survive challenging conditions, and shape the story through your choices.
- 3
Fortifend
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Fortifend is a fantasy city builder with a mix of resource management and strategic tower defense. As Lord Mayor, build your settlement into a fortified city capable of fending off waves of demonic invaders. Guard the gates!
- 4
Painted Kingdoms: Tower Defense & Firefighting
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Painted Kingdoms is a minimalist strategy game where you paint, build, and defend your Kingdom of paper. Harness the power of paint to protect it from relentless flames and enemy hordes. Will your Painted Kingdom survive the next wave?
- 5
Rogue Kingdoms
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Classic tower defense meets roguelike adventure where you control the hero! Dive into procedurally generated levels filled with unique waves of enemies. Create powerful synergies with a variety of game-changing skills, relics, weapons, and traits to defend your kingdom. Every run is a new challenge!
- 6
Crownwarden
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Build by day, defend by night! In this narrative city builder, take direct control of your ruler to protect the realm. Explore diverse lands, command armies against monstrous hordes and uncover the secrets of the Abyss.
- 7
HexLands
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Forge an island kingdom one card at a time. Each card you play raises a farm, mill, or harbor on procedural hex islands. Crack the challenge each new shore gives you before setting sail, carrying your relics and upgrades onward. No combat. The land, the weather, and your own draw are the challenge.
- 8
Dwarven Rampart
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Raise massive armies and fight thousands of enemies. Dwarven Rampart is a fantasy roguelite strategy game where you build dwarven cities and fight massive fights. How long can you survive?
- 9
Litany
Single-player alternative to Islets Defense — playable solo, no multiplayer required. Shares Strategy with Islets Defense.
Litany is a roguelike deckbuilder where you play multiple units, craft a hyper-synergistic group, and trigger results that should not exist. Pick a character, open boosters, upgrade cards, and craft a powerful combination that breaks the numbers!