Error 300 Relaxing Puzzle Games

If you enjoy quiet puzzles and light challenges, these Error 300 titles offer hidden objects, number coloring and brain teasers to play at your pace.

This collection gathers the relaxed casual games published by Error 300, built around short sessions you can start and stop whenever you like. You will spot hidden socks and dinosaurs in There's No Dinosaurs, work through shape puzzles in Tangram Collection, or decode famous quotes letter by letter in Cipheur. The shared idea is gentle problem solving with clear goals, simple controls and no pressure, so you can focus on looking closely, thinking things through and finishing one small challenge at a time.

Published by Error 300

Pixel Cross Stitch Color by Number

Pixel Cross Stitch Color by Number

Relax and create beautiful pixel art with color-by-number and cross-stitch fun!

96% of 104 Steam reviews are positivePlayers online now: 8Free
Cipheur

Cipheur

Cipheur is a free cryptogram game, allowing you to test your logic and language skills against 100 quotes by famous people.

83% of 142 Steam reviews are positivePlayers online now: 2Free
There's no Socks

There's no Socks

Have you ever struggled to find the second sock? That's because there's no socks!

76% of 130 Steam reviews are positiveFree
There's No Santa

There's No Santa

There's no Santa is a hidden object game with a selection of 4 locations and Christmas-themed items to find for each of them.

72% of 95 Steam reviews are positiveFree
Tangram Collection

Tangram Collection

Rediscover tangrams with Tangram Collection, a modern twist on the classic puzzle, offering over 100 challenges to solve.

78% of 69 Steam reviews are positiveFree
Mosaic Chronicles

Mosaic Chronicles

Unravel enchanting stories of love and courage through captivating stained-glass puzzles.

79% of 56 Steam reviews are positivePlayers online now: 1$9.99
Geometry Shooter

Geometry Shooter

Unleash your aim in this free, hand-drawn arcade game! Fire from a moving cannon, break various shapes, and rack up crazy combos in a puzzling and…

77% of 53 Steam reviews are positiveFree
Nora: The Wannabe Alchemist

Nora: The Wannabe Alchemist

Witchcraft school dropout Nora can’t seem to keep her houseplants alive, much less excel at alchemy, but her dream is to become a famous alchemist!

63% of 32 Steam reviews are positive$8.99
RPG Alchemy

RPG Alchemy

RPG Alchemy is a variation of the Alchemy genre in the RPG theme, so connecting two objects to uncover a third one until everything is discovered.

77% of 31 Steam reviews are positive$2.99
There's No Dinosaurs

There's No Dinosaurs

Embark on a cute adventure in “There’s No Dinosaurs” - a relaxing hidden object point & click game in which your objective is to locate randomly…

97% of 29 Steam reviews are positive$3.99
Alchemy: Origins

Alchemy: Origins

Start with four elements and craft your way to the stars in Alchemy Origins, a puzzle game where creativity meets logic.

61% of 28 Steam reviews are positive$3.99
My Joyful Aquarium

My Joyful Aquarium

My Joyful Aquarium is a relaxing game where you build your dream fish tank.

96% of 24 Steam reviews are positive$6.99
There's No Easter Eggs

There's No Easter Eggs

There's no Easter eggs is a casual hidden object game with over 500 Easter eggs to find.

96% of 23 Steam reviews are positive$3.99
Find-o'-Lantern

Find-o'-Lantern

Solve logical riddles in this simple, yet challenging game based on the classic star battle format.

100% of 22 Steam reviews are positive$2.09
The Pane Puzzle

The Pane Puzzle

Layer and match colored tiles to restore pictures in The Pane Puzzle. Simple at first, but it gets tricky as you progress!

95% of 21 Steam reviews are positive$2.99
There's No Differences: Monsters

There's No Differences: Monsters

Ready to test your detective skills? Find the differences between two similar monster-themed scenes!

100% of 20 Steam reviews are positive$3.99
There's No Differences: Santa

There's No Differences: Santa

Ready to test your detective skills? Find the differences between two similar holiday scenes!

95% of 20 Steam reviews are positive$3.99
Bacterian

Bacterian

Fight off filthy diseases and germs in Bacterian, a fresh twist on the Sokoban style game.

100% of 19 Steam reviews are positive$7.99
Maze Craze

Maze Craze

Dash through hazardous mazes in this fast-moving, action-packed game! One wrong move, and it’s game over. No touching the walls!

100% of 19 Steam reviews are positive$2.99
Ready, Set, Plumb!

Ready, Set, Plumb!

Ready, Set, Plumb! is a fast-paced puzzle game, where your goal is to place the pipes on the main board to prevent the toxic leak

100% of 19 Steam reviews are positive$3.99
Star Freight

Star Freight

Can you deliver the goods? Board your spaceship and go!

100% of 19 Steam reviews are positive$3.99
There's No Differences: Cake

There's No Differences: Cake

Ready to test your detective skills? Find the differences between two similar sweet scenes!

95% of 19 Steam reviews are positive$3.99
Christmas Hustle

Christmas Hustle

Christmas is coming and Santa's elves are quite busy. Can you help them to pack the presents?

100% of 18 Steam reviews are positive$1.99
Infinite Seek and Find

Infinite Seek and Find

Customize your own hidden object experience - as easy or hard as you want it!

89% of 18 Steam reviews are positive$3.99
Robinson Alchemy

Robinson Alchemy

Robinson Alchemy is an alchemy game set on a deserted island where the objects you connect are the ones you first need to find and harvest.

78% of 18 Steam reviews are positive$3.99
There's No Dinosaurs 2

There's No Dinosaurs 2

We are back with “There’s No Dinosaurs 2” - a relaxing hidden object point & click game in which your objective is to locate randomly placed…

100% of 17 Steam reviews are positive$3.99
Parcel Master

Parcel Master

Outsmart the Gridlock! Master the art of delivery in this deceptively simple puzzle game where every road counts!

80% of 15 Steam reviews are positive$3.99
There's No Aliens

There's No Aliens

There's absolutely no aliens! We all know they are a myth and nobody ever seen one!

93% of 14 Steam reviews are positive$3.99
There's No Monsters

There's No Monsters

Have you checked under the bed? Or in the closet? We guarantee there's no monsters there!

93% of 14 Steam reviews are positive$2.79
Leadlight

Leadlight

Do you like pixel mosaics? Try a new approach at it with Leadlight!

100% of 12 Steam reviews are positive$2.99
There's No Dragons

There's No Dragons

Dragons are an absolute myth! Nobody has ever seen any!

91% of 11 Steam reviews are positive$3.99
Geometry Shooter Pro

Geometry Shooter Pro

Blast through shapes and numbers in this addictive hand-drawn arcade shooter!

100% of 10 Steam reviews are positive$4.99
Nora: In Search of Hidden Ingredients

Nora: In Search of Hidden Ingredients

Expelled from the Magical Academy, Nora now must learn not only about her Grandma's past but also about the magic hidden deep within.

100% of 10 Steam reviews are positive$5.59
There's No Cake

There's No Cake

The cake is a lie! We looked very hard but still couldn't find any!

100% of 10 Steam reviews are positive$3.99
There's No Differences: Dragons

There's No Differences: Dragons

Ready to test your detective skills? Find the differences between two similar dragon-themed scenes!

100% of 10 Steam reviews are positive$3.99
Bulbs 2.0

Bulbs 2.0

Mix colors and light in Bulbs 2.0, a challenging puzzle game where your logic skills are key to turning the entire board white.

89% of 9 Steam reviews are positive$1.99
Pod Jam

Pod Jam

Assist alien pods to land safely, solve retro puzzles that come with unique mechanics in this ambient sci-fi adventure.

100% of 9 Steam reviews are positive$2.99

Developed by Error 300

Pixel Cross Stitch Color by Number

Pixel Cross Stitch Color by Number

Relax and create beautiful pixel art with color-by-number and cross-stitch fun!

96% of 104 Steam reviews are positivePlayers online now: 8Free
Cipheur

Cipheur

Cipheur is a free cryptogram game, allowing you to test your logic and language skills against 100 quotes by famous people.

83% of 142 Steam reviews are positivePlayers online now: 2Free
There's no Socks

There's no Socks

Have you ever struggled to find the second sock? That's because there's no socks!

76% of 130 Steam reviews are positiveFree
There's No Santa

There's No Santa

There's no Santa is a hidden object game with a selection of 4 locations and Christmas-themed items to find for each of them.

72% of 95 Steam reviews are positiveFree
Tangram Collection

Tangram Collection

Rediscover tangrams with Tangram Collection, a modern twist on the classic puzzle, offering over 100 challenges to solve.

78% of 69 Steam reviews are positiveFree
Mosaic Chronicles

Mosaic Chronicles

Unravel enchanting stories of love and courage through captivating stained-glass puzzles.

79% of 56 Steam reviews are positivePlayers online now: 1$9.99
Geometry Shooter

Geometry Shooter

Unleash your aim in this free, hand-drawn arcade game! Fire from a moving cannon, break various shapes, and rack up crazy combos in a puzzling and…

77% of 53 Steam reviews are positiveFree
Nora: The Wannabe Alchemist

Nora: The Wannabe Alchemist

Witchcraft school dropout Nora can’t seem to keep her houseplants alive, much less excel at alchemy, but her dream is to become a famous alchemist!

63% of 32 Steam reviews are positive$8.99
RPG Alchemy

RPG Alchemy

RPG Alchemy is a variation of the Alchemy genre in the RPG theme, so connecting two objects to uncover a third one until everything is discovered.

77% of 31 Steam reviews are positive$2.99
There's No Dinosaurs

There's No Dinosaurs

Embark on a cute adventure in “There’s No Dinosaurs” - a relaxing hidden object point & click game in which your objective is to locate randomly…

97% of 29 Steam reviews are positive$3.99
Alchemy: Origins

Alchemy: Origins

Start with four elements and craft your way to the stars in Alchemy Origins, a puzzle game where creativity meets logic.

61% of 28 Steam reviews are positive$3.99
My Joyful Aquarium

My Joyful Aquarium

My Joyful Aquarium is a relaxing game where you build your dream fish tank.

96% of 24 Steam reviews are positive$6.99