Maelstrom

Overview

App ID4239950

Release dateMay 1, 2026

Last change number40106770

Last record update16 hours ago

App info

App type

Game

Developer

Sam Lantinga

Publisher

Sam Lantinga

Steam profile

Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked 1 day ago

Website

libsdl.org/projects/Maelstrom

Platforms

Windows macOS Linux 64-bit

Controller

Full support

Features

21

Remote Play TogetherPlayStation controllersXbox controllersPlayStation controller BluetoothSingle-playerMulti-playerPvPLAN PvPShared/split screen PvPCo-opLAN co-opShared/split screen co-opShared/split screenCross-platform multiplayerSteam CloudSteam AchievementsSteam TimelineFull controller supportRemote Play on phoneRemote Play on tabletRemote Play on TV

Patches

Builds

2

Build	Branch	Updated
23906274	public	Jun 25, 2026
23906274	beta	Jun 25, 2026

Depots

Depots

3

ID	Name	Systems	Size	Download	Manifest
4239952	—	Windows	6.1 MB	3.3 MB	6724124835264230419
4239953	—	Linux	3.6 MB	2.2 MB	4870837286719370248
4239954	—	macOS	9.8 MB	4.4 MB	1328945545840710450

Branches

2

Branch	Build	Updated	Access
public	23906274	Jun 25, 2026	Open
beta Public beta branch	23906274	Jun 25, 2026	Open

Configuration

Install foldersteamapps/common/Maelstrom

Launch options

3

Executable	Arguments	Systems	Description
Maelstrom.exe		Windows
Maelstrom		Linux
Maelstrom		macOS

Cloud saves

Space per player976.6 KB

Filesup to 25

Save locations0

Achievements

Achievements480 hidden

Most unlocked69.5%Welcome!

Rarest16.4%Ultra Hardcore

Global unlock rate

share of players who have it

• Welcome! Complete the first wave 69.5%
• Shields Down! Run out of shields 47%
• Bonus 5K Get 5K bonus at the end of a wave 46.3%
• Black Hole! A gravity well appears 41.5%
• Wave 5 Complete Wave 5 41%
• Using Your Noggin Complete a wave by running into the last asteroid 39.3%
• Good Samaritan Run over a damaged ship 37.2%
• Luck Of The Irish Get the lucky prize 36.7%
• Triple Fire Get the triple fire prize 36.4%
• Shields Get the shields prize 36.2%
• Shake Your Groove Thing! Get the exploding prize 36.2%
• Long Range Get the long range prize 35.7%
• Ice, Ice, Baby! Get the freezing prize 35.7%
• Machine Guns Get the machine guns prize 35.5%
• Nova! A nova appears 34.7%
• Air Brakes Get the air brakes prize 34.3%
• Bonus 10K Get 10K bonus at the end of a wave 34%
• Hot Mess Break down all asteroids without destroying them 32.9%

All 48 achievements

• Survivor Complete 5 waves without dying 32.1%
• Iron Man Complete an entire wave without shields 31.9%
• Bonus 15K Get 15K bonus at the end of a wave 31.4%
• Bonus 20K Get 20K bonus at the end of a wave 30%
• Blue Moon: Meteor Shower! Lots of meteors appear 30%
• Are You Feeling Lucky? Successfully use your luck prize 29.5%
• Blue Moon: Prizes! Lots of prizes appear 29.2%
• Wave 10 Complete Wave 10 28.5%
• Bonus 25K Get 25K bonus at the end of a wave 27.1%
• Balls of Steel Destroy a steel asteroid 26.1%
• Bonus 30K Get 30K bonus at the end of a wave 26.1%
• Alien Abduction Killed by a small Shenobi ship 23.5%
• Supernova! Complete a wave using a nova 23.3%
• Asleep At The Wheel Get 0 bonus at the end of a wave 22.6%
• Wave 15 Complete Wave 15 21.9%
• Blue Moon: Black Holes! Lots of gravity wells appear 21.9%
• Ultimate Survivor Complete 10 waves without dying 21.1%
• Marksman Complete a wave with more hits than misses 19.9%
• Blue Moon: Mines! Lots of homing mines appear 19.2%
• Look Ma, No Hands! Complete a wave without firing a shot 18.2%
• Wave 20 Complete Wave 20 18%
• Wave 25 Complete Wave 25 17.1%
• Sniper Complete a wave without missing a shot 16.8%
• Wave 30 Complete Wave 30 16.6%
• Wave 35 Complete Wave 35 16.6%
• Wave 40 Complete Wave 40 16.4%
• Wave 45 Complete Wave 45 16.4%
• Wave 50 Complete Wave 50 16.4%
• Hardcore Complete wave 10 starting with 1 life 16.4%
• Ultra Hardcore Complete wave 15 starting with 1 life 16.4%