Single-player games like 9th Sentinel Sisters
Below are 14 single-player Steam games similar to 9th Sentinel Sisters, 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 9th Sentinel Sisters page.
Ranked picks
- 1
Trinity Fusion
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Three fractured realities. One collapsing multiverse. Fast, fluid combat in a dark sci-fi Roguevania where each run begins in a separate universe — then lets you fuse your parallel selves, powers, and worlds to create brutal, ever-evolving builds.
- 2
UNDERZONE
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
SEARCH - RESCUE - SURVIVE - Smash walls, shoot enemies, rescue survivors, upgrade your Mole Mech, and uncover a dark conspiracy within a 22nd century disaster zone. Underzone is a new twist on the 'roguelite' genre, featuring procedural enemies built out of unique combinations of components.
- 3
I See Red
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Matthew Taurus, after losing everything in a horrifying event, turned from honorable policeman into vengeful outlaw. Get ready to rage through dangerous spaceships in this frantic twin-stick shooter roguelite, where you must find your enemies and destroy them.
- 4
Rogue Stormers
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.
- 5
Doomsday Hunters
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Shoot stuff in a perfect pixel world, combine items, build guns, die every time! Roguelite twin-stick shooter where magic and post-apocalyptic future technologies collide. Defeat evil lord Dracula and save everyone!
- 6
Sharded World
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Sharded World is a reversed bullet hell, rogue-lite, ARPG game combining simple gameplay and great rpg progression. Each level has its own unique features and challenges. Upgradable characters, weapons and orbs. Challenges, daily quests, and leaderboards. Fight, get stronger and defeat the Lich!
- 7
SNAKE FARM
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
A top-down action roguelike about buying snakes, fighting them, selling their oil, and buying more snakes. Upgrade your weapons, get stronger snakes to fight, and chase down a high score with only ten days to live.
- 8
Kill to Collect
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Welcome to the last city on Earth. Earn your keep and die trying in Pieces Interactive’s cyberpunk action rogue-like, featuring 1-4 player co-op. Travel down the sleepless cesspool of murderous vagrants and cybernetic freaks, as you slice and dice your way to the lower levels of Geoshelter Alpha.
- 9
NieR:Automata™
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action with 9th Sentinel Sisters.
NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.
- 10
Vampire Survivors
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 11
HOUND
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Indie with 9th Sentinel Sisters.
Create then experiment with your artificial intelligent life form in HOUND, an open-world simulation god game (kind of). Not a game in the traditional sense, HOUND is more like the science experiment that gives Elon Musk nightmares.
- 12
ENDER LILIES: Quietus of the Knights
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action and Indie with 9th Sentinel Sisters.
ENDER LILIES is a dark fantasy 2D action RPG about unraveling the mysteries of a destroyed kingdom. On this sorrowful journey, encounter horrific enemies against whom a moment of inattention could be fatal. Overcome these hardships and seek the truth with the help of fallen knights.
- 13
ENDER MAGNOLIA: Bloom in the Mist
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action with 9th Sentinel Sisters.
Decades after the events of ENDER LILIES, Homunculi — sorrowful, artificial life forms — roam the land. In this dark fantasy Metroidvania, face formidable enemies and explore a bewitching post-apocalyptic world. Humans and Homunculi — what awaits at the end of the quest for their salvation?
- 14
Radiant Silvergun
Single-player alternative to 9th Sentinel Sisters — playable solo, no multiplayer required. Shares Action with 9th Sentinel Sisters.
Set on the earth and in space on July 14, 2520 A.D., the film explores the mystery of mankind's extinction. Various terrains become battlefields. Enemies attack from all directions. There are 23 bosses in total. Aim for a high score by making full use of score bonuses and level-up weapons!