Alien Carnage / Halloween Harry
Developed by Interactive Binary Illusions, SubZero Software · Published by 3D Realms (Apogee Software)
At a glance
Overview
An action game by Interactive Binary Illusions, SubZero Software, published by 3D Realms (Apogee Software) — single-player.
Steam’s own one-line description: “Starring hero "Halloween Harry", Alien Carnage is an impressive game with no detail overlooked. Professional musical soundtrack, brilliant full-VGA graphics, non-stop animation and huge start-game and end-game cinematics. If Duke Nukem has a twin separated at birth, it's got to be Halloween Harry!” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Alien Carnage / Halloween Harry.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | Yes |
| Steam Cloud saves | No |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows XP, Windows Vista, Windows 7 or Windows 8
- Processor: Intel Core Duo 2
- Memory: 2 GB RAM
Supported languages (1)
Alien Carnage / Halloween Harry FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Alien Carnage / Halloween Harry?
Steam classifies Alien Carnage / Halloween Harry as a Action game, developed by Interactive Binary Illusions, SubZero Software. Starring hero "Halloween Harry", Alien Carnage is an impressive game with no detail overlooked. Professional musical soundtrack, brilliant full-VGA graphics, non-stop animation and huge start-game and end-game cinematics. If Duke Nukem has a twin separated at birth, it's got to be Halloween Harry!
How much does Alien Carnage / Halloween Harry cost?
As of June 2026, Steam hasn’t published a price for Alien Carnage / Halloween Harry. We won’t guess one — check its Steam page.
Is Alien Carnage / Halloween Harry single-player or multiplayer?
Steam lists these modes for Alien Carnage / Halloween Harry: Single-player. It lists a single-player mode.
Is Alien Carnage / Halloween Harry on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Alien Carnage / Halloween Harry for Windows, macOS. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Alien Carnage / Halloween Harry out yet?
Yes — Steam lists a release date of May 5, 2014.
What platforms is Alien Carnage / Halloween Harry on?
Alien Carnage / Halloween Harry is listed for Windows, macOS on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Alien Carnage / Halloween Harry single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Alien Carnage / Halloween Harry cost?
A current price isn't recorded in our data — check the Steam page.
Who made Alien Carnage / Halloween Harry?
Alien Carnage / Halloween Harry is developed by Interactive Binary Illusions, SubZero Software and published by 3D Realms (Apogee Software).
Where to get Alien Carnage / Halloween Harry
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, 3D Realms (Apogee Software).