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Original Joywisp illustration for Von Neumann
Original editorial illustration by Joywisp; not a game screenshot. No creator screenshots or game files are used.

Simulation · Creator-listed HTML5

Von Neumann

An active incremental space game about repairing a probe, printing helper probes and extending exploration through system upgrades.

By veltes Free on itch.io

Play on official site

Opens the creator's page. No game player loads here.

Genre
Simulation
Platform
HTML5 listed by creator
Price
Free category on itch.io at source check
itch.io publication
First worldwide release
Unknown
Found by Joywisp

What to expect

Objective
Repair a damaged probe, gather resources, print helpers and explore farther.
Ending condition
A final win or failure rule is not specified in the reviewed creator description.
Creator-listed input
No complete keyboard, pointer or touch binding map is listed on the reviewed page.

Repair before expanding

The creator casts the player as an AI controlling a damaged self-replicating probe. Gather resources, print smaller helper probes, improve probe systems and explore farther while working out how to repair the original unit. This is an active incremental loop, but the reviewed page does not specify resource rates, upgrade costs or a final completion rule. Joywisp has not measured progression.

Read the build and screen-size caveats

The project is marked in development, and the creator says gameplay may change. Although the official metadata includes HTML5 and several download platforms, the creator specifically warns that phones may show UI problems and recommends fullscreen for appearance. Older development posts on the same official page predate its current itch.io Published field, so this ranking appearance is not evidence of a worldwide debut.

How to choose

The reviewed creator description does not provide a keyboard, pointer or touch binding map. The page describes directing a probe, gathering resources and printing helpers rather than exact buttons. Choose this for a resource-to-helper-probe expansion loop with a clear phone-interface warning. Harvest Tycoon, in the existing Simulation comparison, instead routes crops through goods and orders; that is a different management task. The page does not support a claim about which game progresses faster.

Sources, dates & image credit

veltes's official Von Neumann page supplies the title, author, rules, price category and itch.io publication field. The illustration was made for Joywisp; no creator artwork or screenshots are used. Original Joywisp illustration; no creator artwork or screenshots used.

itch.io publication: (Publication on itch.io; first worldwide release unknown); first worldwide release: unknown. Joywisp discovered this entry at 2026-10-21T18:08:21Z via itch.io RSS; feed dates do not establish a first release. Source review: 2026-10-21T18:19:35Z. Metadata recheck: 2026-10-21T18:18:02Z.

No third-party hosting or playable embedding permission verified; use the official creator page for access. Read the full current robots-checked official creator landing-page description for release; byline, date evidence, platform, demo/current scope and mechanics reviewed. Original description fingerprint matched. No player, game build, creator media or user review imported. The official page lists a free HTML5 build in active development, alongside Windows, macOS, Linux and Android platform labels. The creator says it looks best fullscreen and warns that phone screens are likely to have interface problems. Joywisp has not tested any build or device. undefined

  • Resource rates, upgrades and ending rule not documented in the reviewed description
  • Phone UI caveat and platform labels are creator/official-page claims, not device tests
  • Older development activity exists; first worldwide release unknown