Single-player games like Happy Marriage Project - Starting from 9 years old -
Below are 14 single-player Steam games similar to Happy Marriage Project - Starting from 9 years old -, 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 Marriage Project - Starting from 9 years old - page.
Ranked picks
- 1

Record of Battle 3D Maiden Wars
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG and Free To Play with Happy Marriage Project - Starting from 9 years old -.
This is a sample game created in "RPG Maker MZ" by Eiji Egenesta. Fight your way through horde of robots in this puzzle/RPG.
- 2

Trash Can Dungeon - Battle Against The ZOO
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
This is a sample game created in "RPG Maker MZ" by Shitsudo Kei. Keep the peace in Neo Tokyo in this Dungeon Action RPG
- 3

Recettear: An Item Shop's Tale
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
Recettear is the story of an item shop, the girl who lives in it, and the fairy who turned her life upside down. Recette Lemongrass finds herself in charge of an item shop built into her house, in order to pay back a loan her father took and then skipped out on - and Tear, her newfound fairy "companion", won't take no for an answer!
- 4

Trap of MUSK:Europe Night
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
An exotic love story set in the land of hot sand. The target, who has never truly loved a woman. And the client, who loves women in a twisted way. How will you manage between these two? Who is it that destroys the sacrifice of thirsty love--?
- 5

Shining Resonance Refrain
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
Play as Yuma Ilvern and stop the Empire from exploiting the power of the ancient dragons, including the soul of the Shining Dragon within you. With the help of your friends, realize your destiny, save Astoria, and unleash the strength you’ve always had locked away.
- 6

Rewrite Harvest festa!
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
ーLet's share the joy of this harvest together. Join us and celebrate this festive collection of Rewrite spin-off stories starring our hero Tennouji Kotarou and the six heroines, all brought to you by the staff of the original game!
- 7

J8 Hero
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
一款回合制角色扮演游戏
- 8

Serment - Contract with a Devil
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
Serment - Contract with a Devil is a visual novel/dungeon crawler hybrid featuring highly tactical turn based RPG battles, challenging dungeon puzzles, optional minigames and most importantly, a lot of cute anime girls.
- 9

The Aquarium does not dance Special Edition
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
Navigate your way through an aquarium overrun by gruesome creatures known as creepies and unravel its hidden mysteries. With each riddle you solve, you’ll find yourself one step closer to uncovering the chilling truth of Bianca Aquarium. Your choices affect the outcome of the game, so choose wisely.
- 10

The Witch & The 66 Mushrooms
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required.
An all-new Metroidvania-style game developed using Pixel Game Maker MV! Make use of a variety of weapons as you traverse sprawling stages on a mission to take back your brother's body from the witch who stole it!
- 11

Purgatory -NARAKU-
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required.
This is a survival horror action game in which a young girl "Enri" tries to escape from a mysterious facility filled with blood and madness.
- 12

Bike Dash Excite!
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required.
Check out this simple motorcycle racing minigame created with Pixel Game Maker MV! Tame your wild and jacked-up bike to fly through the various stages and rub your awesome clear times in your opponents’ faces!
- 13

KUMACURE
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required.
An exhilarating 2D action game that defeats enemies with jumps and shots! KUMACURE fights to defeat the evil corps aiming at the earth. It was created with the Pixel Game Maker MV.
- 14

Luise and Secret Basement Rooms
Single-player alternative to Happy Marriage Project - Starting from 9 years old - — playable solo, no multiplayer required. Shares RPG with Happy Marriage Project - Starting from 9 years old -.
This is a sample game created in "RPG Maker MZ" by Sasuke KANNAZUKI. Follow daydreamer Luise in her adventures in this traditional fantasy RPG.