Serious Sam: The First / Second Encounter (original game cover art)

Serious Sam: The First / Second Encounter

QuestSam

Mod by maranone

QuestPCExperimentalFiles: EasyFull Motion

Official page: github.com ↗FLAT FREE

Initial release:

What you need

Own .gro archives from Serious Sam Classic TFE/TSE (Steam/GOG)

Supply your own legally owned copy. UnflatVR never hosts or links game files.

Store links are official store pages. UnflatVR has no affiliate links.

Install the APK and run it once to create its folder, then copy the game archives from your own Serious Sam copy to the headset. See the official install instructions above for full steps.

New to sideloading? See How To

About

Newest release (Oct 17) is a PICO test build. The Second Encounter on Steam: store.steampowered.com/app/41060/.

Controls Motion controls: melee weapons activate when you swing the controller.

GameSerious Sam: The First / Second Encounter
Original PlatformPC PC (2001-2002)
Mod NameQuestSam
Developermaranone
Latest Versionb004
Release Date (CT)2026-09-20
StatusExperimental
Game Files NeededOwn .gro archives from Serious Sam Classic TFE/TSE (Steam/GOG)
Difficulty to Get FilesEasy
Install MethodFree. Install the APK and run it once (creates /sdcard/questsam), then copy your Serious Sam TFE/TSE .gro archives to the headset (that folder is easiest; the game searches all internal storage).
ControlsFull Motion
Source / Downloadgithub.com ↗
NotesNewest release (Oct 17) is a PICO test build. The Second Encounter on Steam: store.steampowered.com/app/41060/.
Review VideosNone yet
Last Checked2026-10-19
First Seen2026-10-19

Change history

  • First tracked by UnflatVR