Close the settings. On the live screensaver, press the letter "B" on your keyboard. You will see a small green "B-Mode Engaged" text flash in the bottom left corner. (Do not press B if you are in the settings menu; press it when the tank is fullscreen).
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If anyone has a working config for a widescreen ultrawide monitor, drop your settings below! Close the settings
Version 3.3 supports modern widescreen resolutions like serenescreen marine aquarium 336369 keys b best
Pressing the " W " key reveals the 3D polygon skeletons of the fish and tank environment.