Single-player games like Alien Function
Below are 14 single-player Steam games similar to Alien Function, 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 Alien Function page.
Ranked picks
- 1
Danganronpa: Trigger Happy Havoc
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Investigate murders, search for clues and talk to your classmates to prepare for trial. There, you'll engage in deadly wordplay, going back and forth with suspects. Dissect their statements and fire their words back at them to expose their lies! There's only one way to survive—pull the trigger.
- 2
The Darkside Detective: A Fumble in the Dark
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.
- 3
Dinocop
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
When dinosaurs were brought back to life, none wanted to be a cop, so humans made you: Dinocop. Investigate the guests of the Cretaceous hotel to crack a meaty case that will confront you with your most profound existential dilemma. Who brought human meat to the dinosaur rights convention ?
- 4
Lord Winklebottom Investigates
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
It’s the 1920s and the world’s foremost detective is about to embark on his most challenging case yet. Thankfully, in this world that’s not quite like our own, there’s nobody better to crack the case than the great detective and gentleman giraffe, Lord Winklebottom.
- 5
The Franz Kafka Videogame
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
An original puzzle/adventure game inspired by the writings of Franz Kafka.
- 6
Danganronpa V3: Killing Harmony
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.
- 7
Chicken Police: Into the HIVE!
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
A wild tale of conspiracy, loss, friendship, and... chickens?! Two rooster detectives are about to venture into the insect underworld to uncover a worldwide conspiracy, while also battling their inherent demons in this animal noir adventure satire.
- 8
Angelo and Deemon: One Hell of a Quest
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Once upon a time, the Grim Reaper chose the wrong door. Angelo – a young lazy bum-a-holic, oh sorry - a blogger, powered only by his blogging skills, must turn on “point-n-click adventure” mode, go around the inferno, meet the locals, and somehow get back home. Enjoy Hell! We made it just for you.
- 9
King's Quest
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
King’s Quest is a collection of five different chapter releases, each focusing on an untold tale in Graham’s past. Discover a wondrous world full of whimsical characters, charming puzzles and perilous dangers in this fun and enchanting coming of age story.
- 10
Police Quest™ Collection
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Walk the thin, blue line in four of the most realistic crime games ever created, packed with complex storylines and real-life mysteries that only a handful of real police officers ever face - or solve.
- 11
Police Quest: SWAT
Single-player alternative to Alien Function — playable solo, no multiplayer required.
It's all in a day's work for members of the most elite force in crime fighting history.
- 12
Unicorn Dungeon
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Unicorn Dungeon is an absurdist comedy point & click adventure game following the adventures of Sir Typhil of Creulor as he attempts to secure a unicorn to bring to the castle.
- 13
Poltergeist Treasure
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Poltergeist Treasure is an absurdist comedy point & click adventure game following Sir Typhil of Creulor as he attempts to escape a haunted forest.
- 14
Leprechaun Shadow
Single-player alternative to Alien Function — playable solo, no multiplayer required. Shares Adventure with Alien Function.
Leprechaun Shadow is an absurdist comedy point & click adventure game following Sir Typhil of Creulor as he attempts to catch a rutabaga-stealing killer leprechaun in Yorkwen city.