(also known by its alias Sleeptime Fun! on platforms like itch.io) is a classic Japanese 2D tactical stealth simulation game (SLG) developed by Rayn and Namida. The game challenges players to use ninjutsu-style stealth mechanics to sneak around a bedroom environment without triggering the environmental awareness meter of the sleeping character. Version 1.13 represents the definitive, fully optimized build of this niche title, resolving legacy performance bugs and smoothing out the core physics.
: Each successive level increases enemy speed, health, and wave density. Night Attack On Little Sis- Free Download V1.13
Before downloading the latest update, ensure your system meets the minimum specifications required to run the game smoothly. Minimum Requirement Recommended Requirement Windows 7 / 8 / 10 (64-bit) Windows 10 / 11 (64-bit) Processor Intel Core i3 or equivalent Intel Core i5 or superior Memory Graphics DirectX 9 compatible card Nvidia GTX 960 or equivalent Storage 2 GB available space 4 GB available space Safe Downloading Practices (also known by its alias Sleeptime Fun