Single-player games like A Day - to bring them happiness
Below are 11 single-player Steam games similar to A Day - to bring them happiness, 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 A Day - to bring them happiness page.
Ranked picks
- 1

Big Earth
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Indie and Adventure with A Day - to bring them happiness.
In a post-apocalyptic future where Earth's resources have been consumed, Kyle Seed tries to recover capsules containing special seeds and the energy needed to save humanity's future. Big Earth is a platform game with challenging puzzles.
- 2

SEKISAI puzzle action
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
Side-scrolling puzzle action game
- 3

Super Time Force Ultra
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
Super Time Force Ultra is an insane platformer filled with robots and dinosaurs and fun and time travel... sometimes all at the same time!
- 4

COGEN: Sword of Rewind / COGEN: 大鳥こはくと刻の剣
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action with A Day - to bring them happiness.
Rewind, rethink, redo. COGEN is a brand-new kind of 2D action game where there's no time for death.
- 5

TimeK
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action with A Day - to bring them happiness.
TimeK is an action puzzle game specialized in time manipulation. Players can move even while rewinding time, allowing for interesting phenomena to occur. Other time manipulation abilities: Stop, Slow, Accelerate, Fast Rewind
- 6

PP
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
This is a "butt" as the protagonist of the breakthrough game Players will take the role of a pink ass in a hurry to go to the toilet. Dodge all kinds of fast food attacks on the way, break through the obstacles and finally reach the toilet!
- 7

Redactem
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
Rewind time and manipulate gravity in order to solve parkour puzzles in this exciting new 2D platformer.
- 8

Degrees of Separation
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Indie and Adventure with A Day - to bring them happiness.
Degrees of Separation is a puzzle platformer where cooperation is built into every move. Two contrasting souls, Ember and Rime, fall in love, but are separated by an enigmatic force, and must use their powers to progress through a spectacular world of fantasy and adventure.
- 9

IMSCARED
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
"I need a Heart in order to open it"
- 10

Mirror Layers
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
Mirror Layers is a first person social horror game. Cooperate with other players through an in-game social network to solve challenging puzzles.Explore to uncover the mystery behind Apartment 12 and its horrific and distorted mirror reality.
- 11

FIREWORK
Single-player alternative to A Day - to bring them happiness — playable solo, no multiplayer required. Shares Action and Indie with A Day - to bring them happiness.
Follow Yan the Defective One through his fight against the Fire Troops and let him unveil the Facility's mystery in this action platformer.