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Newton's Fourth Law

Newton's Fourth Law

Fight against brain-rot in this story-driven educational physics puzzle game. You will need to learn and apply high school physics concepts to solve increasingly challenging problems and uncover a galaxy spanning plot. When you have finished, you will be able to take a college level physics course.

Released Jan 17, 2025 Developer Newtonian Studios Platforms Windows Early AccessPhysicsEducationPuzzleSimulation
View on Steam ↗ $11.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-15.

93.9%positive228 reviews
Not recommended · 0 found this helpful

“Don't be fooled: the many positive evaluations are biaised, they don't evaluate the game but how physics enthusiasts feel for the game. Unfortunately, that gives a false idea about what the game is. 1. this is not about leanring physics, it's a physics exam. If you don't already…”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

12achievements
16.6%median completion
6.4%rarest: There's nothing back there, really!
91.3% of players 77.1% of players 47.7% of players 28.0% of players 25.6% of players 19.8% of players 16.6% of players 15.2% of players 12.8% of players 12.7% of players 8.1% of players 6.4% of players 91.3% 0% most earned rarest
Almost everyone has
91.3%You've exceeded my expectations — complete 1.1.1
77.1%Velocity is a vector — Complete the velocity levels
47.7%Projectile Motion — Complete the projectile motion levels
Rarest badges of honor
6.4%There's nothing back there, really! — Hidden achievement
8.1%Red-pilled — Hidden achievement
12.7%Centripetal force is not a force — Complete the circular motion levels

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-13. Steam prices vary by region — always confirm your local price on Steam.

$11.99current · sampled 2026-09-26 21:12 UTC
$11.99lowest since tracking began2026-08-13
US11.99 USD
EU11.79 EUR
UK9.99 GBP
Australia17.75 AUD
Canada15.49 CAD
Japan1,400 JPY
Brazil38.49 BRL
China47.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$7.0 Brazil Japan Canada US Australia UK EU≈$13

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

$0 $10 $20 08-13 08-21 08-31 09-08 09-17 09-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Mar 07, 2025
0.1.1 - The Calculator Update

New Features: 0.1.1 brings several new features to make Newton's Fourth Law more accessible and smoother to use. Several rooms have been added that feature animations to help break down different conc

Mar 06, 2025
0.1.1 - The Calculator Update

The first update is here! New Features: 0.1.1 brings several new features to make Newton's Fourth Law more accessible and smoother to use. - Several rooms have been added that feature animations to he

Jan 19, 2025
0.1.0.1 ChangeLog

BugFixes: - Reduced errors in the time between photos in levels 1.1.2 and 1.1.3 for PCs with weaker graphics cards so that the velocity players calculate is more accurate. - The player is now prevente

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-15.

GenresAdventure, Indie, Simulation, Early Access
Player tagsEarly Access · Physics · Education · Puzzle · Simulation · Story Rich · Difficult · Logic · Science · Philosophical · Walking Simulator · Sci-fi (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesEnglish, Simplified Chinese
Achievements12
Minimum system requirements (PC)

Minimum: OS *: Windows 7 (SP1+), Windows 10 and Windows 11 Processor: Intel Core i3-4330TE @ 2.40GHz Memory: 1 GB RAM Graphics: DirectX 10 compatible graphics card DirectX: Version 10 Storage: 4 GB available space Additional Notes: Mouse, Keyboard