Screenshots
Description
Unravel a retro mystery in RSSU: Case#1 Ithaca Project. Step into a Soviet-styled detective escape, explore every corner, gather clues, and uncover hidden secrets.
RSSU – Retro Style Soviet Undies – Case#1 Ithaca Project MOD APK is a retro-inspired mystery adventure that blends investigation, storytelling, and exploration into a captivating atmosphere. A curious world full of secrets and clues is waiting for you. Can you decipher them and bring the unknowns of the Ithaca Project to light?
RSSU draws its inspiration from vintage aesthetics and classic detective games. Detective titles from earlier eras often treated every clue as vital to solving a case, and this game asks you to do the same. Take time to investigate and consider the significance of every suspicious object. Set against a backdrop of Soviet retro design, the game is inviting and engaging, with a humorous, nostalgic sense of mystery and intrigue.
As the game's detective, your job is to evaluate the evidence surrounding the Ithaca Project. Your investigation will lead you to many unusual places, and the effort is well rewarded. By analyzing clues, you will question and interrogate a range of characters, gradually bringing a number of concealed stories into the open. Every clue you uncover brings you a little closer to the truth.
If you enjoy immersive narrative adventures and puzzle solving, this game is likely to suit you. It combines classic point-and-click investigation techniques with unconventional, distinctive visual styling. The result is a fresh, original experience that still carries the charm of games from the past.
Beyond being a retro, detective, mystery, and adventure game, this is also a retro atmospheric puzzler. You can explore at your own pace, pay attention to every detail, and use logic to work your way to the solution.
The game also includes:
Mystery investigation gameplay.
Follow the clues and leads into the Ithaca Project and discover what secrets and mysteries you can uncover.
🧩 Puzzles & Clues
Puzzles that sharpen observation and logical thinking while encouraging curiosity and deeper exploration.
🎨 Aesthetic Design
A visual experience shaped by old-school Soviet design, retro elements, and classic, nostalgic settings.
📖 Narrative & Mystery
A gripping, intriguing mystery with unpredictable characters and plot twists, along with secrets still waiting to be revealed.
🌍 Varied Environments
Investigate locations packed with interactive content and evidence of great significance.
💡 Deductive Reasoning
Apply your detective skills to analyze evidence and connect the dots so you can move your investigation forward.
🎭 Retro with a Twist
A blend of retro and humorous styling, populated by characters with vivid imagination.
🎮 Puzzles & Adventure
Modern point-and-click puzzles and detective adventures.
RSSU – Retro Style Soviet Undies – Case#1 Ithaca Project Mod APK keeps a retro spirit throughout. It lets you dig deeper into the Ithaca Project by placing clues in every character and object you examine. Start unfolding the secrets the Ithaca Project has been hiding.
How to install
- Download the APK file above to your phone.
- Allow “Install unknown apps” when prompted.
- Open the downloaded APK and tap Install.
- If the package includes OBB/XAPK data, follow the bundled instructions.
MOD APKs are modified builds, so Play Protect may show a warning. Install only if you trust the file; use at your own risk.



