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Infection Inc. [Probes!]

Infection Inc. [Probes!]

A Roblox experience owned by Undone Studios™.

SurvivalENzombieempire buildingmultiplayer competition

Infection Inc. [Probes!] is a survival experience created on 2017-11-08. The game currently has 23 players online. It has accumulated 79,064,136 lifetime visits, 620,144 favorites, and an 80% like percentage. The description mentions building an infection empire and gathering brains.

Description (written by the developer; not a statement by this register)

- All new probes to gather civilians brains with! - Multiple bug fixes! ◙▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬◙ Welcome to Infection Inc! Here you will build an Infection Empire in your efforts to destroy the human race! You must compete with other corporations trying to destroy the humans as well by sabotaging their zombie production! ◙▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬◙ Support development and give us suggestions on updates by joining Undone Studios! https://www.roblox.com/My/Groups.aspx?gid=2841051 ◙▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬◙ Please leave a 👍 Thumbs Up & ⭐️ Favorite if you enjoyed the game! And follow the devs at https://twitter.com/UndoneBuilder https://twitter.com/neddleduck https://twitter.com/ChickenBagelz

Last updated by the developer 19 Aug 2022, 22:38 UTC.

23
playing (measured 10 Aug 2026, 15:18 UTC)
79,064,136
lifetime visits
80%
liked (137,695 👍 / 33,573 👎)
620,706
favourites (7.9 per 1k visits)
8 November 2017
created (per Roblox)

Play on Roblox →

Live players over time

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every players count we have recorded
Measured (UTC)PlayersChange
10 Aug 2026, 15:1816first reading

Concurrent players at each of our measurements (insert-on-change).

Monetization — game passes

Rich Zombie Skin!
999 R$
Tank!
799 R$
Cyborg Zombie Spawner!
799 R$
Minigun!
799 R$
RPG!
499 R$
Exploding Zombie Spawner!
499 R$
The Masher!
499 R$
Jetpack!
199 R$
King Zombie Skin!
199 R$
The Big Buggy!
199 R$
Cyborg Zombie Skin!
199 R$
Boombox!
99 R$
Alien Zombie Skin!
99 R$

Game passes for sale and their prices, measured from the Roblox passes API. Developer products bought inside the game aren’t publicly listable.

Badge funnel

There Can Be Only One · progression0 · 0.00% win
We Appreciate You :) · other0 · 0.00% win
Ten Is A Good Number · progression0 · 0.00% win
Well Armed · collection0 · 0.00% win
Thank You :) · other0 · 0.00% win
First Blood · progression0 · 0.00% win
The Horde Grows · progression0 · 0.00% win
Just The Beginning · progression0 · 0.00% win
Pro Gamer · progression0 · 0.00% win
Professional Player · progression0 · 0.00% win
Friendly Fire · other0 · 0.00% win
Assassin · other0 · 0.00% win
Weapons Master · collection0 · 0.00% win
King Of The Apocalypse · progression0 · 0.00% win
I Can Dance · progression0 · 0.00% win

How many players have ever earned each badge — a proxy for how far players get before they stop. Steep drop-offs mark where a game loses people. Win rate is the past-day share of players who earned it; categories are assigned by a language model from each badge’s own name and description.

Roblox recommends these alongside it

Roblox’s own “games like this” rail, as we recorded it on 17 October 2026. The order is Roblox’s, not ours. Which games it points at most →

Like ratio over time

Growth

8023 August 2026 — 80 % liked2 September 2026 — 80 % liked12 September 2026 — 80 % liked22 September 2026 — 80 % liked2 October 2026 — 80 % liked12 October 2026 — 80 % liked22 October 2026 — 80 % liked23 August 202622 October 2026
7 measurements spanning 60 days. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 79–81 and does not start at zero.
Measurement log — every % liked count we have recorded
Measured (UTC)% likedChange
22 Oct 2026, 13:4980no change
12 Oct 2026, 13:4880no change
2 Oct 2026, 13:4780no change
22 Sept 2026, 13:4680no change
12 Sept 2026, 13:3780no change
2 Sept 2026, 13:3580no change
23 Aug 2026, 13:3280first reading

Percentage of votes that are likes, at each of our measurements. A falling line is a game losing its crowd’s goodwill.