A Week of Deserted Island Sex with my Step-Mom

by Arukutsuuru

Censored Windows
Versionv1.00
EngineRPGM
Released2025-03-19
Updated2025-06-12
LanguageEnglish (Fan Translation)

About A Week of Deserted Island Sex with my Step-Mom

A passenger ship capsizes during a storm, leaving a stepmother and stepson alone on a deserted island. You play the young man as he explores the shore, searches for survival options, and tries to seduce his reluctant stepmother. The game is a 2D adult adventure by Arukutsuuru, made with RPG Maker and using 2D CG artwork. Its central themes include adventure and humiliation, with sexual content presented through stepfamily seduction and coercive choices.

The current build is a finished Windows release, v1.00, dated March 19, 2025. It is a fan translation into English, and the images are censored with mosaics. The game presents the island week as a story of survival, seduction, and choices after the two survivors are stranded.

Developer's description

A passenger ship suddenly encounters a big storm and capsizes. Miraculously, there are two survivors - a (step)mother and (step)son, who aren't injured, but are washed ashore and stranded on a deserted island. The young man rushes to explore the unknown island, attempting to find ways to survive while awaiting rescue. However, this rare situation gives him the opportunity to be alone with his beloved (step)mother and seduce her. He uses the innocent game of Rock Paper Scissors to force his initially reluctant (step)mom into lewd acts. What life choices will the two of them decide upon after a week of being stranded alone on this island?​

Download A Week of Deserted Island Sex with my Step-Mom v1.00

Player reviews

Player rating 3.0 / 5 · 9 ratings
Written reviews 9 · avg 3.2★
Positive (4–5★) 33%
Latest review 2026-02-21

What players say

Reviews are mixed because players liked art and short length but criticized repetitive gameplay and thin content.

5★ 1
4★ 2
3★ 4
2★ 2
1★ 0

Players like

  • Character art and the mother's body are well liked.
  • Short runtime lets players finish the game quickly.
  • Easy mode makes rock-paper-scissors gameplay manageable.
  • Audio design and sound effects are noted positively.

Common complaints

  • Rock-paper-scissors gameplay feels repetitive and decides scenes.
  • Limited content, CGs, and animation make scenes feel thin.
  • Story is thin, rushed, and lacks logic.

Best for players who want a short, easy mother-son sex game with decent art.

Summarised from 9 written player reviews.

GemKiller 2026-02-21 ★★★★★
I can't help but give this 2 stars. The mother's body is by far the best part; but the CGs in the H-scenes are not proportionate to their body sizes, especially the height differences. There's zero logic in the game…
Every1sGrudge 2025-06-17 ★★★★★
Rev @ A Week of Deserted Island Sex with my Step-Mom [v1.00] Art's tolerable if simplistic; like the girl's model but everything else is halfassed or just RPGMaker RTP. Writing is dumb. Scenario's been done before and better, narrative is…
HCoel 2025-06-16 ★★★★★
Well for a short game, this game quite good. With only one heroine, the mc has no face at all. There are 3 ending in this game. Even though there is animal sex here, but you can only see it…

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