COORDINATE PLANE GAMES
1. https://www.mathplayground.com/locate_aliens.html
2. https://www.xpmath.com/forums/arcade.php?do=play&gameid=59
3. https://mrnussbaum.com/stockshelves/
4. https://www.mathnook.com/math/skill/coordinategridgames.php
5. https://hotmath.com/hotmath_help/games/ctf/ctf_hotmath.swf