Idunn is an adult dating sim made by Polar Cake in Ren'Py, using 2D CG artwork. You play as Finn, a male protagonist, and travel with his sister and friends on a vacation to a luxurious island during a warm season. You explore places, play games, and meet new people, with romance and gay themes. The story also hints that night by the shore may be dangerous.
The current build is v0.8, released April 11, 2026, and development continues. It runs on Windows, Mac, Linux, and Android, in English, uncensored. The v0.8 update adds 45,000 new words, 11 CGs, 8 characters, and 4 side endings. The creator says the next update will nearly complete the main story and may reveal a surprise.
Developer's description
That time of year has arrived again, the season of warmth and fun. It's the perfect time for a vacation on one of the country's luxurious islands!
Finn and his sister, along with their friends, are about to embark on an amazing trip. They'll explore new places and play various games together.
Along the way, they'll also meet new people who will make their journey even more exciting!
So, join them on this adventure, But just remember, don't stay too close to the shore at night!
v0.8
• 45,000 new words!
• 11 new CGs!
• 8 new characters!!
• 4 side endings
• And much more…
In this update, we’ve added the side endings. The next update will almost finish the main story.
For that one, I’ll try not to delay this much again, hopefully life will be a bit kinder to me.
Maybe before that, I’ll finally reveal a surprise I’ve been wanting to share for a long time!
Once again, I’m sorry... and enjoy ❤
v0.7
35,000 new words
7 new CGs
New characters, puzzles, and more
v0.6
25,000+ new words!
8 new CGs!!
2 new mini-games!!
Several bug fixes from previous updates...
v0.5
Highlights:
27,000 new words
Two new mini-games
8 new CGs
Minor updates:
The choice buttons on Android have been made larger so they're easier to see and click.
A new section has been added to the ending after seeing Rajiv in the previous update (I recommend re-reading that part because it's important).
Grammar and translation issues have been fixed.
v0.4
Over
25,000 new words
New
CGs
and
mini-games
Fixed tons of typos and translation issues from previous updates, improved several mini-games, and more...
v0.3
Over 15,000 new words!
Two new mini-games
Four new characters
Two new CGs and more.
v0.2
Added over 12,000 new words
New sprites and backside sprites
New mini-games and more
v0.1
initial zone release
Player reviews
Player rating3.0 / 5 · 1 ratings
Written reviews1 · avg 3.0★
Positive (4–5★)0%
Latest review2025-02-15
Professor Primate2025-02-15★★★★★
Compliments: The game has a fun, warm story that feels light and cheerful. The art is neat and clear, and the setting on a luxurious island is fresh. The dating sim and romance elements add a nice twist to the…
★★★★★(1)
