The filename indicates you are using . This is a significant update that includes:
: Navigate to the installation folder, right-click W_Armageddon.exe , select Properties , and under the Compatibility tab, check "Run this program as an administrator." setup_worms_armageddon_gog-3.8.1_(43454).exe
: You can now toggle between full-screen and windowed mode using Alt + Enter . High DPI Support : Better scaling for 4K monitors. The filename indicates you are using
Once installed, do not launch the game immediately. You should configure a few settings for modern systems: and under the Compatibility tab
: This is usually a codec or resolution issue. Try disabling the "Intro Cinematic" in the game options menu.