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NightSky

NightSky

Nominated as a IGF Seamus McNally Finalist, NightSky is an ambient action-puzzle game that offers a gameplay experience unlike any other—cerebral challenges fill uniquely designed picturesque worlds. The player must maneuver a sphere by using realistic physics to advance; each of these worlds is bro

Released Mar 1, 2011 Developer Nicalis, Inc. Platforms Windows · Mac · Linux Puzzle-PlatformerIndiePlatformerCasualPuzzle
View on Steam ↗ $9.99 (US · as of 2026-09-05)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-08-31 · quoted reviews as of 2026-05-12.

88.5%positive1,036 reviews
Recommended · 2 found this helpful

“Simple physics puzzler, and one of the more relaxing in the genre. Not too deep, doesnt overstay its welcome. I replay it every few years.”

— a player, Steam review · 3 hrs played
Recommended · 0 found this helpful

“Nifflas's second best platformer in which you play a ball is mostly pleasant and very occasionally infuriating. While by no means a long game, the ideas feel a bit stretched thin by the end of the two playthroughs. Some alternative levels could easily have replaced the standard…”

— a player, Steam review · 7 hrs played
Recommended · 0 found this helpful

“It's just a really chill side-scrolling platformer with some minor puzzle mechanics that get progressively and comfortably more difficult over the course of the game. The ambient soundtrack/noise is incredibly relaxing. Nothing overly complicated here, just really fun game.”

— a player, Steam review · 7 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2024-10 via SteamCharts; self-collected from the Steam API since Aug 2026.

88all-time peak
0 25 50 2013 2015 2017 2019 2021 2023 No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period 24 avg · Mar 2013

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-05.

22achievements
3.0%median completion
1.6%rarest: Slightly Nonsense Alternative
14.3% of players 10.4% of players 9.0% of players 6.4% of players 5.7% of players 4.8% of players 4.3% of players 4.2% of players 4.2% of players 4.0% of players 3.9% of players 3.0% of players 2.8% of players 2.5% of players 2.0% of players 2.0% of players 1.7% of players 1.7% of players 1.7% of players 1.7% of players 1.7% of players 1.6% of players 14.3% 0% most earned rarest
Almost everyone has
14.3%Prologue — Completed The Beach
10.4%Harara Mountains — Completed Harara Mountains
9.0%Skymning — Completed Skymning
Rarest badges of honor
1.6%Slightly Nonsense Alternative — Completed Slightly Nonsense Alternative
1.7%The Void Alternative — Completed The Void Alternative
1.7%Ranna Caverns Alternative — Completed Ranna Caverns Alternative

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-09-05 20:23 UTC
$9.99lowest since tracking began2026-07-25
US9.99 USD
EU9.99 EUR
UK6.99 GBP
Australia14.50 AUD
Canada10.99 CAD
Japan980 JPY
Brazil19.99 BRL
China36.00 CNY

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

Brazil≈$3.9 China Japan Canada UK US Australia EU≈$12

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-04). Relative comparison only.

$0 $10 $20 07-25 08-02 08-10 08-19 08-28 09-05

Latest official news

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

Jun 18, 2015
Update, including OS X and Linux support

We recently finished porting NightSky to our cross-platform game engine, and made a couple of improvements along the way. Here is a list of the most important features included in the update: Native p

Jun 18, 2015
Update, including OS X and Linux support

We recently finished porting NightSky to our cross-platform game engine, and made a couple of improvements along the way. Here is a list of the most important features included in the update: Native p

Games like NightSky

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Shady Part of Me Shady Part of Me 92.7% · 913 reviews shares Short, Puzzle Platformer, Great Soundtrack, Physics Braid Braid 91.6% · 5,542 reviews shares Short, Puzzle Platformer, Great Soundtrack, Platformer The Howler The Howler 73.3% · 688 reviews shares Short, Great Soundtrack, Physics, Platformer Zup! X Zup! X 95.7% · 1,441 reviews shares Short, Puzzle Platformer, Great Soundtrack, Physics Zup! 2 Zup! 2 93.0% · 1,353 reviews shares Short, Puzzle Platformer, Great Soundtrack, Physics Zup! Zero Zup! Zero 92.7% · 647 reviews shares Short, Puzzle Platformer, Great Soundtrack, Physics Zup! 8 Zup! 8 93.7% · 943 reviews shares Short, Puzzle Platformer, Physics, Platformer Nihilumbra Nihilumbra 83.7% · 1,299 reviews shares Short, Puzzle Platformer, Great Soundtrack, Platformer

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-12.

GenresCasual, Indie, Strategy
Player tagsPuzzle-Platformer · Indie · Platformer · Casual · Puzzle · Physics · Atmospheric · Strategy · 2D · Short · Singleplayer · Relaxing (SteamSpy community voting)
FeaturesSingle-player · Family Sharing
LanguagesEnglish
Achievements22
Official sitehttp://www.nicalis.com/
Minimum system requirements (PC)

OS *: Windows XP or newer Processor: Intel Atom or above Memory: 512MB RAM Graphics: 3D graphics card DirectX®: N/A Hard Drive: 100MB