Single-player games like Happy Happy Office
Below are 12 single-player Steam games similar to Happy Happy Office, 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 Happy Happy Office page.
Ranked picks
- 1
Teenage Mutant Ninja Turtles: Shredder's Revenge
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Indie with Happy Happy Office.
Teenage Mutant Ninja Turtles: Shredder’s Revenge reunites Leonardo, Michelangelo, Donatello and Raphael as they kick shell in a beautifully realized beat ’em up.
- 2
Waifu Secret
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Indie with Happy Happy Office.
Exciting, puzzle game with fancy girls. Control yourtube and find the way to pass the level and unlock a lot of beauty in the gallery. Gameplay is beautiful and relaxing.
- 3
Half-Demon Shinobi
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Indie and Casual with Happy Happy Office.
Guide Manari the Anti-Demon Ninja in her journey to eliminate the demon terror she battles her own inner demons in this lewd rogue-lite deck-building adventure game!
- 4
NEKO-NIN exHeart
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Indie with Happy Happy Office.
Japan. From time immemorial, there are those who possess superhuman abilities. These beings who looked like a cross between man and beast are called Demi-Humans. They acted as Ninja and served those in power.
- 5
Planet Lust
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Adventure with Happy Happy Office.
Due to unfortunate events, you end up at a military base on Mars with four beautiful women. You'll have lots of time to spend there. Better make the most of it!
- 6
Yogurt!
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Adventure and Casual with Happy Happy Office.
“YOGURT” is a clicker, with many beautiful naked girls in different poses. In the game there will be many hentai pictures fallin and you should click on all of them. “Yogurt” will be shaping up to be one of the best animated hentai games!
- 7
Lost
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Indie with Happy Happy Office.
This is a casual intellectual game, accompanied by beautiful girls to find pictures of the same shape, get beautiful pictures and exercise your observation.
- 8
Kotama and Academy Citadel
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Action and Indie with Happy Happy Office.
In the Academy Citadel, strength reigns supreme: only the most powerful survive and thrive. Fight your way through the high-tech Academy in your quest to get the highest of honors for a student, and uncover secrets that can save it in its direst crisis in this 2.5D side-scrolling Metroidvania.
- 9
NTR Fantasy
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Indie and Adventure with Happy Happy Office.
This Bishojo Visual Novel/Dating Sim gives you just 10 days to pursue three attractive heroines. Your choices directly branch the storyline and are the sole key to unlocking the visual content. Features 200 high-quality, sensational Event CGs capturing intimate moments.
- 10
Immoral office : Hypno Switch
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Indie and Adventure with Happy Happy Office.
Master the Hypnosis Machine! You have 10 days to conquer the town. Use your device to dominate colleagues and neighbors through thrilling quests. Can you subdue them all before time runs out? The ultimate conquest begins now!
- 11
My Secret Summer Vacation
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Indie and Adventure with Happy Happy Office.
A steamy summer at your aunt’s house. Build relationships with 8 seductive married women in a peaceful town. Raise Favorability and Confidence, unlock secret dates, and explore hidden desires. How far will you cross the forbidden line this summer?
- 12
Lust Share House
Single-player alternative to Happy Happy Office — playable solo, no multiplayer required. Shares Indie and Adventure with Happy Happy Office.
A thrilling cohabitation in a boarding house! Live with 3 beauties: a lonely landlady, a prickly gyaru, and a hikikomori. Explore, peep, and raise affection. Walk a fine line to avoid jail, unlock intimate events, and master the house!