Single-player games like Gemini
Below are 16 single-player Steam games similar to Gemini, 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 Gemini page.
Ranked picks
- 1
Crystal Guardians TD
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Casual with Gemini.
Crystal Guardians is a tower defense game with rogue-like elements. Fight of waves and defend the world crystal. Gear up your towers with a powerful combination of items for your strategy. In an ever expanding map, find hidden powers and conquer the enemies.
- 2
Aegis Defenders
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.
- 3
Moonlighter
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Indie with Gemini.
Moonlighter is an Action RPG with rogue-lite elements that demonstrates two sides of the coin – revealing everyday routines of Will, an adventurous shopkeeper that secretly dreams of becoming a hero.
- 4
Dwarf Journey
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Indie with Gemini.
Dwarf Journey is an action roguelite platformer with randomly generated levels. Defeat enemies, level up, assemble your rune build and collect minerals to forge better equipment on an epic journey in search of immortality.
- 5
Gem Miner TD
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Indie with Gemini.
Mine. Maze. Merge. Survive. Dig for powerful gems, merge them into game-breaking towers, stack buffs, and pick roguelike perks to build wild synergies. Do not let enemies drag your miner to the lava!
- 6
Bean Beasts
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Defeat monster hordes alongside your Bean Beasts in this cute, challenging Tower Defense Game! Evolve your companions, explore upgrade paths for traps and take on epic boss battles!
- 7
Rogue Star Rescue
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. Play solo or online to stop the Rogue Star before it annihilates everything!
- 8
Border Pioneer
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!
- 9
Shelldiver
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Take a deep breath and dive right into this cozy incremental game about a senior turtle trying to start a business selling jellyfish. Upgrade your equipment, explore biomes, and help your turtly village!
- 10
Rocket Rats
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Casual with Gemini.
Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!
- 11
Doomed to Hell
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Doomed to Hell is a roguelike-like top-down shooter where you play as Rose, a human in hell who will need to fight all of its monsters in waves of enemies, defeat bosses, and get new weapons to earn back his life on earth.
- 12
Archaeogem
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Adventure with Gemini.
Hats up and whips out; the wilderness' mysteries await! Explore lush biomes, use your trusty whip to extract wild flowers' mystic powers, and collect rare gems in this dynamic precision-platformer. Unearth archaeological marvels and become a legend!
- 13
Toroom
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Toroom is a dungeon crawler roguelike-like top-down shooter, where the protagonist just wants to come back to his bedroom after waking up in a world of fantasy. Fight your way through multiple biomes, clear rooms full of enemies, get as much loot as possible and defeat the bosses in your way.
- 14
Colorful Colore
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Indie with Gemini.
Colorful Colore is a Puzzle Labyrinth game, where your objective is to get in the exit matching the correct colors in the way.
- 15
Wizodd
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Indie with Gemini.
Wizodd is a dungeon crawler roguelike game where you find various equipment and upgrades while encountering dangerous monsters and bosses to advance down to the lower floors.
- 16
Bob Help Them
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Indie with Gemini.
Bob Help Them is a timer-based game, where your goal is to help all NPC's before the timer ends.