★★★★½ 4.5 (15,328)Puzzle
DifficultSide ScrollingPlatform2DObstacleSkill

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What is Opposite Day?

DetailValue
GenrePuzzle
PlatformWeb browser (desktop & mobile)
PriceFree to play
Rating4.5/5 from 15,328 votes

Defying the Rules in Opposite Day

Opposite Day is a puzzle platformer that flips your instincts upside down. The whole game is built on a single mischievous idea: to clear each level you must do the exact opposite of what the directions tell you. When everything in you wants to jump over a gap, the right move might be to walk straight into it, and when a sign points left, your path probably lies right. This constant battle against your own reflexes is what makes the game both clever and genuinely difficult, since muscle memory becomes your worst enemy.

Learning to Expect the Unexpected

Progress in Opposite Day comes from retraining how you think about a platformer. Each stage looks familiar, with platforms, hazards, and goals, but the rules underneath are inverted. The early levels gently teach you to question every obvious action, and the later ones stack these reversals until reading a level becomes a real test of nerve. Slowing down to think through what the opposite move actually is, rather than reacting on instinct, is the key skill the game keeps sharpening.

Controls and Speedrunning

Opposite Day keeps its controls simple so the difficulty comes from the puzzles rather than the inputs. You move with WASD or the arrow keys, press R to restart a level the moment a run goes wrong, and tap T to toggle a built-in speedrun timer. That timer is a nod to the competitive players who want to clear levels as fast as possible once they understand the tricks. Restarting often is part of the loop here, since trial and error is how you uncover what each level really wants from you.

InputAction
WASD or arrow keysMove your character
RRestart the level
TToggle the speedrun timer

Game Details at a Glance

Opposite Day arrived in October 2021 and has drawn a strong following for its inventive twist on the platformer formula. It runs entirely in the browser with nothing to install, so you can jump in on a desktop, phone, tablet, or Chromebook. The combination of a quick-to-learn control scheme and brain-bending level design makes it easy to start but tough to finish. The table below sums up the essentials before you start defying expectations.

DetailValue
GenrePuzzle platformer
ReleaseOctober 2021
PlatformWeb browser on desktop and mobile
PriceFree to play

Questions and answers

How do you win in Opposite Day?
You win each level by doing the exact opposite of what the directions tell you, defying your normal platforming instincts.
What are the controls for Opposite Day?
You move with WASD or the arrow keys, press R to restart the level, and press T to toggle the speedrun timer.
When was Opposite Day released?
Opposite Day was released in October 2021.
Can I play Opposite Day unblocked?
Yes. Opposite Day runs entirely in your browser, so you can play it unblocked at school or work with nothing to download or install.
Is Opposite Day free to play?
Yes. Opposite Day is free to play online with no download or account required, and it works on desktop and mobile.
Can I play Opposite Day on mobile or Chromebook?
Yes. Opposite Day works on phones, tablets and Chromebooks straight from the browser, as well as on desktop.