WHAT NUMBER?: A Reflex-Testing Number Game with Three Difficulties

10/30/2026, 4:20:19 AM (JST)

Release date: 10/29/2026

Tags: #action #casual #indie #arcade #minimalist #score-attack #singleplayer #2d

Reference prices

Japan

¥ 400 (JPY)

Steam JP

$2.99 (USD)

Steam Global

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Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 400
Global Price: $2.99
Price in Your Region: ¥320-20%Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 5 Nov 2026
Sale Status: Regular pricing
Price Checked At: 11/6/2026, 2:10:57 AM (JST)

Key highlight

WHAT NUMBER? is a minimalist arcade game where you press Space when numbers appear in the correct order. With three difficulty levels and Steam leaderboards, it's a pure reflex and judgment test.

Who this is for

A deceptively simple number game that demands sharp focus and quick reflexes. Ideal for quick sessions and leaderboard chasing.

Details

Overview

WHAT NUMBER? is a minimalist arcade game that strips the genre down to its purest form: a single number, a single key, and a split-second decision.

Developed by RALYBE and published by RALYBE STUDIO, this title launched on October 29, 2026, and it wastes no time getting to the point. The premise is deceptively simple—press the Space key when numbers appear in the correct order.

But as the description warns, not every number is correct, and one mistake means an immediate game over.

Highlights

Simple keyboard controls: The entire game revolves around the Space key, making it accessible to anyone who can press a button.
Three difficulty levels: Choose between EASY, NORMAL, and HARD to tailor the challenge to your skill level.
Steam leaderboards: Compete for the highest score against players worldwide, adding a competitive edge to the reflex-based gameplay.

Who It's For

If you enjoy games that test your focus and reaction time, WHAT NUMBER? is right up your alley.

It's perfect for quick sessions—whether you have five minutes between tasks or want to chase a high score for an hour. The minimalist presentation and straightforward mechanics make it easy to pick up, but the escalating pressure of split-second decisions will keep you on your toes.

It's also a great choice for players who appreciate score attack games and the thrill of climbing leaderboards.

Game Info

Genre: Action, Casual, Indie, Arcade, Minimalist, Score Attack
Developer: RALYBE
Publisher: RALYBE STUDIO
Release Date: October 29, 2026
Modes: Singleplayer, Multi-player (leaderboards)
Languages: English, French, German, Spanish (Spain), Japanese, Korean, Simplified Chinese, Traditional Chinese, and more
User Reception: No user reviews yet—check the Steam page for the latest feedback.