Portal

2007 · Valve · ~3h to finish

Hard for exactly as long as it takes the idea to arrive, then trivial — a game of realisations rather than of skill.

puzzleshooterPCXbox SeriesNintendo SwitchSteam DeckMetacritic 90

Global—UNRATED

Baseline difficulty4.1MODERATE

You will lose sometimes. You will not mind.

Price on Steam

$9.99

USD · United States · checked just now

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The fingerprint

12.55.07.510

Puzzle

6.5

Learning Curve

2.5

Execution

2.4

Strategy

2.0

Reaction

1.5

Obscurity

1.4

Punishment

0.6

Grind

0.5

PUBLISHEDHARDEST DEMAND FIRST

Assist options shave roughly 0.4 points off, if you use them.

These are generic numbers. Calibrate and this whole page re-scores around you.

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Screenshots

IGDB

Where it bites

SPOILER-SAFE BY DEFAULT

START25%HALFWAY75%CREDITS

45% · ~2hPuzzle
the chamber that stops being about geometry and starts being about momentum
▲ 26
95% · ~3hReaction
the final confrontation, which is a puzzle wearing a boss costume
▲ 10

Assists & accessibility

0/4 SOURCED

CHALLENGE RELIEF

Generous checkpoints [unsourced]Autosaves every few metres inside a chamber.
Save anywhere [unsourced]Quicksave on PC.

MOTOR & INPUT

Fully remappable controls [unsourced]

HEARING

Full subtitles [unsourced]Full subtitles with sound-effect captions.

Claims marked unsourced have not been checked against a published accessibility review. Nothing here is inferred from genre — where we do not know, we say nothing.

What it is

A first-person puzzle game built around a gun that opens two linked doorways on flat surfaces, set inside an automated test facility. Around three hours long.

Where to go from here

Argue with these asks

Its own neighbourhood, ordered by how close the difficulty actually sits.

Portal 2

2011 · Valve · ~9h

4.0MODERATE

Gentler than the first game and better taught. The co-op campaign is where the difficulty actually lives, because it needs two people to see the same solution at once.

UnratedPUZ 6.2CRV 3.0STR 2.5

EXE 2.1REA 1.5STR 2.5PUZ 6.2GRD 0.5PUN 0.6CRV 3.0OBS 1.4

Inside

2016 · Playdead · ~4h

3.4MODERATE

Death is frequent, instant and immediately retried, and every puzzle is solvable from what the room shows you. Nothing here is hidden from a patient player.

UnratedPUZ 4.5OBS 3.5REA 3.0

2.5

Outer Wilds

2019 · Mobius Digital · ~22h

4.6MODERATE

The only thing gating progress is knowledge inside your own head, which makes it unspoilable once and unplayable if you look it up.

UnratedPUZ 6.2OBS 5.6CRV 3.0

2.9

Its own neighbourhood, ordered by how close the difficulty actually sits.

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