Installed through our safe & fast downloader ()
Filehippo

Safe shield iconSafe Downloader

The Safe Downloader downloads the app quickly and securely via FileHippo’s high-speed server, so that a trustworthy origin is ensured.
In addition to virus scans, our editors manually check each download for you.

Advantages of the Safe Downloader

  • Malware protection informs you if your download has installed additional unwanted software.
  • Discover additional software: Test new software that are waiting to be discovered in the downloader.
  • With us you have the choice to accept or skip additional software installs.

Editors' Review · February 3, 2026

Dark and intense rhythm battle mod

SILLY BILLY IN PSYCH ENGINE is a rhythm-based song mod for the game Friday Night Funkin’. The program challenges players to hit directional inputs in time with music while facing a distorted version of the main character, Boyfriend. It runs as part of the Hit Single Real mod and uses the Psych Engine framework.

The program focuses on a single, high-intensity music battle rather than traditional level progression. SILLY BILLY IN PSYCH ENGINE emphasizes timing, accuracy, and pattern recognition, combining fast-paced note sequences with visual storytelling. Its presentation and mechanics make it stand out among community-created rhythm mods.

SILLY BILLY IN PSYCH ENGINE centers on rhythm-based gameplay where players press arrow keys in sync with the song. The battle uses a boss-style health bar that reflects performance accuracy. Missing notes drains health, while successful streaks restore it. However, the experience is limited to a single song, which reduces variety and replay value despite the tension and focus required throughout the track.

Challenging and polished rhythm gameplay

The program introduces special mechanics, including blue notes that require precise timing and increased player attention. While these mechanics raise the challenge and reduce repetitive play, the high difficulty can frustrate new players who are unfamiliar with complex rhythm patterns. It is known for its dark visual style, expressive animations, and dramatic pacing, which reinforce the psychological theme of confronting an alternate version of Boyfriend.

As part of the Hit Single Real mod, it benefits from Psych Engine’s smooth performance and scripting support. The engine allows precise note mapping, visual effects, and custom animations that enhance overall presentation. Alternative Friday Night Funkin’ mods offer rhythm challenges as well, but many lack the same level of polish, narrative focus, or technical execution, making this mod stand out in terms of stability and design quality.

Memorable and technically impressive rhythm mod

SILLY BILLY IN PSYCH ENGINE delivers a focused rhythm experience built around difficulty, atmosphere, and strong technical design. While it does not offer multiple songs or gameplay modes, the program succeeds as a memorable standalone battle. Its dark visuals, demanding mechanics, and polished execution highlight the creative potential of rhythm mods built using Psych Engine, appealing to experienced players who enjoy challenging, well-crafted musical encounters.

  • Pros

    • Challenging and well-designed rhythm gameplay
    • Strong visual style and animations
    • Technically polished mod using Psych Engine
  • Cons

    • Limited to a single song experience
    • High difficulty can frustrate new players
Enlarged image for SILLY BILLY IN PSYCH ENGI…
SILLY BILLY IN PSYCH ENGINE 0/1

Technical

Title
SILLY BILLY IN PSYCH ENGINE 1.0 for Windows
Requirements
  • Windows 8
  • Windows 11
  • Windows 8.1
  • Windows 7
  • Windows 10
Language
English
Available languages
English
License
Free
Latest update
Author
cubicuniversal
SHA-1
9a02155ba94e7c4acde450ab0be274dbe82b4a56
Filename
silly-billy-in-psych-engine.zip

Program available in other languages



Changelog

We don’t have any change log information yet for version 1.0 of SILLY BILLY IN PSYCH ENGINE. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

Can you help?

If you have any changelog info you can share with us, we’d love to hear from you! Head over to our Contact page and let us know.

Explore apps

Related software

Last updated