Sassy Stepsister and 10 Days of Secrets
Spend ten days caring for your stepsister and build your relationship through daily conversations and choices.
Also known as: 與傲慢義妹的秘密10天 / 与傲慢义妹的秘密10天 / なまいき義妹とヒミツの10日間
Community Verified
Confirmed playable from players’ real play data on Mac (not tested by ExeDock itself).
Tested by players
| Players | 1 |
|---|---|
| Launch success | 100% |
| Players’ play time | 1.4 hours |
| Apple silicon | M4 |
| Memory | 24 GB |
| macOS version | macOS 26 |
| Game engine | Unity |
| Last played | 2026-11-03 |
Added up automatically from anonymous play records, updated hourly.
Get the game Some are affiliate links
You live alone until your parents arrange for you to look after your stepsister Nanaka for ten days. As you talk and spend time together, your relationship develops. The game features a day-by-day progression and multiple endings.
Can I play Sassy Stepsister and 10 Days of Secrets on a Mac?
Yes. Sassy Stepsister and 10 Days of Secrets is a Windows game that runs on Apple silicon Macs (M1 and later) with the free ExeDock launcher — status: Community Verified. The recommended settings are applied automatically; no virtual machine or manual Wine setup needed. 1 player has played it on Mac for 1.4 hours in total.
Can I play other Unity games on Mac?
Usually, yes. Sassy Stepsister and 10 Days of Secrets is made with Unity, which ExeDock recognizes automatically; other Unity games can be dragged into ExeDock and played with matching settings. Every game can differ, so check its page or simply try it.
Player community
No one has shared their experience yet. After playing with ExeDock, leave the first review or question on the game's page in the app.
Reviews, issue reports and replies all happen in the ExeDock app. No sign-up needed.