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Abnormal1999:SU - Unlocking the 4th Dimension

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Abnormal1999:SU - Unlocking the 4th Dimension

QZQ Studio · Published by QZQ Studio

8 user reviews — 75% positive (8 reviews)

Last updated 28 Sept 2026

SU is a 2.5D deduction puzzle game. The submarine Nautilus suffers a mechanical failure during its voyage. Dr. Pierre investigates and finds anomalies in every area. Explore the deep blue depths, follow Dr. Pierre as he unravels the secrets of the Nautilus.

DJCTQ 14

£2.49

Lowest price we've ever recorded

View on Steam

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Price history

4 Sept 2026Lowest: £2.49 · Highest: £2.499 Oct 2026

Indie · 2024 · More under £5 games

Explore the enigmatic depths of Dr. Pierre’s submarine, Nautilus, as you unravel its secrets in Abnormal1999:SU, an immersive 2.5D deduction puzzle adventure from QZQ Studio.

About this game

Story Background:

During its voyage, the submarine suddenly experienced a mechanical failure. Dr. Pierre hurriedly began investigating, only to find abnormal intrusions in every area.

Investigate cases in the azure abyss, and follow Dr. Pierre to uncover the secrets of the Nautilus.

Immerse yourself in the eerie atmosphere of the Nautilus, filled with secrets and unsettling anomalies.

Experience 2.5D deduction + puzzle gameplay, combine your observation skills to solve problems and navigate through various cabins.

Many anomalies are hidden in the submarine, related to the time vortex. Can you unlock the secrets of time and space and escape the submarine?

1866

Dr. Pierre, the owner of the Nautilus, and his seven sailors accidentally salvaged a "compass" during their voyage.

This compass allowed him to glimpse his true position in the universe. It also caused the Nautilus to sink into a time vortex.

2998

"Su" is a student from a future city. During an underwater trip, she encountered an ancient submarine trapped in time and space.

Su entered the submarine to explore but was captured by the time vortex into another unknown space-time.

Gameplay:

Players play as Dr. Pierre.

Interacting with items marked with time stamps can penetrate time to obtain more clues.

Explore interesting "time wormholes" and various props to uncover the truth of the story.

 

System Requirements

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Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 or higher
  • Processor: Intel Core i5-2500K or AMD Athlon X4 740 (or equivalent)
  • Memory: 8 GB RAM
  • Graphics: GeForce GTX 660 (2048 MB) or Radeon R9 285 (2048 MB) - Integrated GPUs may work but are not supported.
  • DirectX: Version 11
  • Storage: 6 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system

Supported Languages

English*, Japanese, Simplified Chinese, Traditional Chinese
*languages with full audio support

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