Top rated free games from 2021 tagged Sci-fi

Explore games from 2021 tagged Sci-fi on itch.io. Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant plan · Upload your games from 2021 to itch.io to have them show up here.

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Vincent: The Secret of Myers

A horror adventure visual novel with point & click components

dino999z

Rated 4.9 out of 5 stars

(1,505 total ratings)

Visual Novel

GIF

Trigaea

Alter genes, survive. Sci-fi RPG. 270k+

RynGM

Rated 4.8 out of 5 stars

(548 total ratings)

Interactive Fiction

Play in browser

GIF

10-103: NULL KELVIN

Infiltrate. Investigate. Exterminate.

Nerdspartan

Rated 4.9 out of 5 stars

(197 total ratings)

Action

Play in browser

Goodboy Galaxy DEMO

Exploration platform game for Game Boy Advance (and more!)

Goodboy Galaxy

Rated 4.8 out of 5 stars

(204 total ratings)

Platformer

Play in browser

ENDLESS BLUE

An underwater Survival Horror Adventure - but what lies beyond the ocean's deepest depths?

mrdiv

Rated 4.7 out of 5 stars

(270 total ratings)

Action

GIF

Slipways Classic

Build a vast interstellar empire in 30 minutes flat.

Jakub Wasilewski

Rated 4.6 out of 5 stars

(381 total ratings)

Strategy

Play in browser

GIF

Universe for Sale - Prologue

Universe for Sale

Tmesis Studio

Rated 4.9 out of 5 stars

(73 total ratings)

Adventure

Celestia [RELEASED]

brighten the world with your light and love

owl.

Rated 4.7 out of 5 stars

(182 total ratings)

Visual Novel

Pirated Code

Tsundere Amnesiac AI x Pathetic Space Pirate

hollowmend

Rated 4.7 out of 5 stars

(185 total ratings)

Visual Novel

GIF

A Monster's Insight

Gaslight eldritch horrors or die trying

arkicade

Rated 4.7 out of 5 stars

(157 total ratings)

Visual Novel

WANrobo

you are a smart home ai.

npckc

Rated 4.8 out of 5 stars

(75 total ratings)

Interactive Fiction

That Which Faith Demands

dismantle the sacred and the divine

Jenna Yow

Rated 4.8 out of 5 stars

(54 total ratings)

Interactive Fiction

GIF

Zordak

You wake up from an unexpectedly long cryosleep, only to discover that this place is not what it's supposed to be.

Apapappa

Rated 4.6 out of 5 stars

(125 total ratings)

Platformer

Starbuster

Strange Matter

Rated 4.9 out of 5 stars

(35 total ratings)

Platformer

Lavender Laboratories

Turn off your mind and vibe with Voldritch

Bloof

Rated 4.8 out of 5 stars

(68 total ratings)

Visual Novel

Play in browser

Entity

A tiny sci-fi horror game.

ultrabrilliant

Rated 4.8 out of 5 stars

(50 total ratings)

Play in browser

Nymph's Tower

Ascend, explore, escape

brlka

Rated 4.9 out of 5 stars

(31 total ratings)

Adventure

Descent

Explore the abandoned vessel VALIS XI and piece together the secrets of the crew's disappearance.

patchware

Rated 4.5 out of 5 stars

(164 total ratings)

Interactive Fiction

Play in browser

LunarLux

Unleash your Lux! Your RPG Adventure on the Moon Awaits!

CosmicNobab

Rated 4.7 out of 5 stars

(66 total ratings)

Adventure

Underneath

HIS

Rated 4.6 out of 5 stars

(95 total ratings)

Platformer

Play in browser

FLESH/CIRCUIT

a (wip) ditherpunk VN about surveillance capitalism and digital lovers

Coleo_Kin

Rated 5.0 out of 5 stars

(16 total ratings)

Visual Novel

Play in browser

City of Immortals

This world is a wasteland.

Rotten_games

Rated 4.7 out of 5 stars

(50 total ratings)

Interactive Fiction

Play in browser

GIF

Robot Daycare

Creating an AI might have bittersweet consequences...

KigyoDev

Rated 4.7 out of 5 stars

(44 total ratings)

Visual Novel

GIF

TAIPEI METRO QUEST

a narrative game about time-traveling home

✧.* hellodri *✲☆

Rated 4.7 out of 5 stars

(35 total ratings)

Interactive Fiction

Play in browser

Crewmember Pigeon and the Case of the Burgled Buttons

You're good at solving mysteries, right?

The Adamant Gambit

Rated 5.0 out of 5 stars

(13 total ratings)

Adventure

Play in browser

GIF

Myx's Bittersweet Musings

A short, seasonal visual novel about relationships and perceiving the past. (Specifically, Myx's past...)

MintGlow

Rated 4.9 out of 5 stars

(16 total ratings)

Visual Novel

Play in browser

Two Envelopes

Two coffees - one black, one ice caramel.

The Adamant Gambit

Rated 5.0 out of 5 stars

(12 total ratings)

Visual Novel

Play in browser

10,000 SEX ARSES STUCK AT CALAIS

DOMINO CLUB

Rated 4.9 out of 5 stars

(15 total ratings)

Interactive Fiction

Play in browser

Sunrise on the Moon

Have a friendly conversation as you wait to watch the sunrise on the moon

Brii-Nanas

Rated 4.8 out of 5 stars

(22 total ratings)

GIF

iro

a little exploration game set on a lonely planet.

sukinapan

Rated 4.6 out of 5 stars

(48 total ratings)

Adventure

Play in browser

A True History of the Adamant Gambit

eventually, seeds find a way to grow

The Adamant Gambit

Rated 5.0 out of 5 stars

(11 total ratings)

Visual Novel

Play in browser

Glitcheon

Glitches are power

River Forge Games

Rated 4.7 out of 5 stars

(38 total ratings)

Platformer

Play in browser

GIF

Initializing maintenance run: We're good to go.

Who've we got on shift today?

The Adamant Gambit

Rated 5.0 out of 5 stars

(10 total ratings)

Visual Novel

Play in browser

GIF

Gravitas Shortfall

A tragedy in high orbit

Juniper-C

Rated 5.0 out of 5 stars

(10 total ratings)

Interactive Fiction

Play in browser

GIF

PROJECT FORLORN

ABANDONED ARCHIVES OF THE WEDNESDAY RESEARCH ASSOCIATION

𝖘𝖞𝖓𝖙𝖍𝖈𝖔𝖉𝖊𝖗

Rated 4.8 out of 5 stars

(22 total ratings)

Photon Highway

Drive to the end of the universe

Sirnic

Rated 4.5 out of 5 stars

(62 total ratings)

Action

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Top rated freeGamesGamesToolsGame assetsComicsBooksPhysical gamesAlbums & soundtracksGame modsEverything elsefrom 2021 tagged Sci-fi (835 results)

New itch.io is now on YouTube!

Top rated free
Games Tools Game assets Comics Books Physical games Albums & soundtracks Game mods Everything else
from 2021 tagged Sci-fi (835 results)