Single-player games like Project: WATERFALL
Below are 11 single-player Steam games similar to Project: WATERFALL, 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 Project: WATERFALL page.
Ranked picks
- 1

Project: Mirror
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
Project: MIRROR! is a world full of magic, there souls of beautiful girls have broken into several pieces during a violent and powerful storm. You are the only one who can help the beauties revive their souls!
- 2

Elf World Adventure: Part 1
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
You are gamer who likes to play computer games. One day, returning home from the store, along the way you became a victim of an accident. At the last moment you think that your story is over, but some force has given you a second chance in another world that is completely different from yours.
- 3

DANGO!
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
DANGO! - is a casual liquid puzzle game. You need to pass a variety of levels, draw a path through which the liquid will flow and fill the vessel.
- 4

LOLLIPOP!
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
LOLLIPOP! Is an addicting hentai puzzle game with delicious, sweet candy combinations! In LOLLIOP! You will find many bright levels with hot girls and various visual effects, from this game you will just have a real BOOM!
- 5

Miss Neko 2
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
Welcome to the magic island — Nekoland! All good things you want will happen here! Solve the match puzzles, collect the magic coins and then you will see miracles!
- 6

Seek Girl
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
This is a "collection game" which unlocks "collection" girls by tapping cute little people who jump out of the hole. The unlocked girl will be sealed in a bottle and you can meet her again at any time. Every beautiful girl has her own unique movements and voice to make!
- 7

AHEGAL SEASONS
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
You are the last man alive on the planet. Meet and UNDRESS BEAUTIFUL GIRLS to save humanity. Find that special spot to make women AHEGAO. Master your lover skills and ladies will adore you. But be careful where you touch - You might end up with a broken heart, handsome! ♥♥♥
- 8

Lost
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required.
This is a casual intellectual game, accompanied by beautiful girls to find pictures of the same shape, get beautiful pictures and exercise your observation.
- 9

Click Your Crush!
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
"Click Your Crush!", is a fascinating hentai clicker that features a lot of sexy, hot girls. Caress different parts of the body and this beauty will undress for you! In this game, you will definitely forget about the time and find the girl of your dreams!
- 10

Mosaic Your Crush!
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
A relaxing hentai puzzle game. Collect images and the girls will undress for you.
- 11

MY Neko Waifu!
Single-player alternative to Project: WATERFALL — playable solo, no multiplayer required. Shares Casual with Project: WATERFALL.
A puzzle with anime girls on the beach. You can get to know each kitty better by passing exciting levels.