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RANDOMAX

RANDOMAX

Ride or drive the turbulent waves of luck toward victory! A novel rogue-lite vertical scrolling Shmup that puts your resourcefulness to the test!

Released Jan 16, 2025 Developer ASTRO PORT Publisher Henteko Doujin, Sanuk Inc. Platforms Windows Shoot 'Em UpTop-Down ShooterRogue-liteVisual NovelRogue-like
View on Steam ↗ $5.99 (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

93.1%positive72 reviews
Recommended · 0 found this helpful

“Huge fan of this developer. Nice to see them expanding the Saga again.”

— a player, Steam review · 0 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2025-01 via SteamCharts; self-collected from the Steam API since Aug 2026.

15all-time peak
0 2 5 4 avg · Jan 2025

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.

49achievements
20.2%median completion
1.4%rarest: [R-MAX.P3] Destruction.
84.9% of players 77.3% of players 77.0% of players 71.3% of players 70.1% of players 67.0% of players 66.8% of players 62.9% of players 61.7% of players 57.5% of players 45.0% of players 37.6% of players 36.8% of players 32.9% of players 32.4% of players 31.5% of players 29.9% of players 28.2% of players 27.6% of players 27.4% of players 27.4% of players 26.2% of players 25.5% of players 22.9% of players 20.2% of players 20.1% of players 19.2% of players 19.1% of players 18.9% of players 18.2% of players 17.5% of players 16.6% of players 16.5% of players 14.3% of players 13.8% of players 13.0% of players 11.9% of players 9.1% of players 8.5% of players 7.4% of players 5.1% of players 4.0% of players 3.3% of players 3.3% of players 3.2% of players 1.6% of players 1.5% of players 1.4% of players 1.4% of players 84.9% 0% most earned rarest
Almost everyone has
84.9%[O.KUNARA] Destruction. — Destroy boss [O.KUNARA].
77.3%[BREDON] Destruction. — Destroy boss [BREDON].
77.0%[BETHRA] Destruction. — Destroy boss [BETHRA].
Rarest badges of honor
1.4%[R-MAX.P3] Destruction. — Destroy boss [R-MAX.P3].
1.4%[R-MAX.L3] Destruction. — Destroy boss [R-MAX.L3].
1.5%[R-MAX.I3] Destruction. — Destroy boss [R-MAX.I3].

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 08, 2026
Kamikaze Empire Launches & Steam Bullet Fest 2026 Is Now Live!

Self Destructive Shmup Kamikaze Empire Is Out Now! Carve the path to victory with kamikaze attacks—Kamikaze Empire, the first self destructive shmup of its kind, launched on Steam on June 8, 2026! Blo

Feb 18, 2026
Revolgear Zero Launch + Henteko Doujin Sale Now Live!

Bikkuri Software’s latest shoot ’em up, Revolgear Zero , is out now! 🎉 https://store.steampowered.com/app/3941820/ Build your own ship with deep customization and a wide range of weapons, then dive in

Aug 08, 2025
Fix for Analog Stick Issue.

- Fixed an issue where movement speed slowed down when inputting diagonally with the analog stick.

Feb 12, 2025
[Patch note Ver.0212] Improvement of visibility and vibration support

- Added option to CONFIG to improve bullet visibility - PAD SETTINGS notations unified with X input notations - Added support for controller vibration function - Improved window size settings

Games like RANDOMAX

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

Time Wasters Time Wasters 86.4% · 1,460 reviews shares Top Down Shooter, Shoot Em Up, Space, Rogue Lite Rocket Rats Rocket Rats 92.8% · 793 reviews shares Top Down Shooter, Space, Rogue Lite, Rogue Like Voidigo Voidigo 96.4% · 3,411 reviews shares Top Down Shooter, Shoot Em Up, Rogue Lite, Rogue Like Slime 3K: Rise Against Despot Slime 3K: Rise Against Despot 78.9% · 755 reviews shares Top Down Shooter, Shoot Em Up, Rogue Lite, Rogue Like Pesticide Not Required Pesticide Not Required 95.4% · 680 reviews shares Top Down Shooter, Shoot Em Up, Rogue Lite, Rogue Like Shotgun Witch Shotgun Witch 96.6% · 682 reviews shares Top Down Shooter, Shoot Em Up, Comedy, Top Down Chicken Invaders Universe Chicken Invaders Universe 90.2% · 2,407 reviews shares Top Down Shooter, Shoot Em Up, Space, Comedy Blazing Beaks Blazing Beaks 81.6% · 910 reviews shares Top Down Shooter, Rogue Lite, Rogue Like, Top Down

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresAction, Indie
Player tagsShoot 'Em Up · Top-Down Shooter · Rogue-lite · Visual Novel · Rogue-like · Tutorial · Shooter · 2D · Cute · Anime · Comic Book · Dark Humor (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Gamepad Recommended · Steam Cloud · Family Sharing
LanguagesJapanese, English, Simplified Chinese, Traditional Chinese, German
ControllerFull support
Achievements49
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10, 11 64Bit Processor: Intel Celeron 2.0GHz or better Memory: 8 GB RAM Graphics: Integrared Graphic Chip DirectX: Version 9.0c Storage: 550 MB available space Sound Card: Integrated Sound Chip