If the game is too large for your computer, then zoom out in your browser! How to zoom out in Internet Explorer: Press CTRL + PLUS SIGN (+) to zoom in, or CTRL + HYPHEN (-) to zoom out. You can also use your mouse wheel instead of + and -. Sound/Quality: Press the 'Menu' button or the 'P' key on the upper left side of the screen while in the game (playing a level, not on the main map). All settings can be found there. Scroll: Left/Right keys or Mouse Choose lane: Up/Down keys or Mouse Select ship type in build menu (top left): Q/W keys or hotkey displayed on ship icon or click on ship icon Build selected ship on chosen lane: Space or click Release Mothership specials in specials menu (top right): Number keys displayed on special icons or click on the specials icon on the top right Take time to figure out which controls work best for you. Some prefer playing with mouse and keyboard while others use only keyboard. You can disable the mouse controls in the ingame menu is you don't want to use them. IMPORTANT: If the game runs slowly, decrease the quality in the ingame menu. If you have a fast computer turn on the 'Trails' in the ingame menu to get awesome graphics. If you think the game is too easy try the hard mode.