This is Block Attack - Rise of the Blocks - version 2.4.0
Changes since 2.3.0:
Different starting speeds for Endless
Minor code cleanup
Improved "About" page with technical information
Also dumps the about page info to "about.txt" when viewed
Default player 1 name is now fetched from the OS

Windows specific:
Improved unicode support (--homepath can now be used with Unicode chars)
Windows 7 is now required
Build against SDL 2.0.9 fixing some scaling problems and improving gamepad support

Feedback can be given on https://blockattack.net or https://github.com/blockattack/blockattack-game