I don't play with friends much but that would definitely keep people playing. I come back every once in a while when the game and mods I like update. It's a big change if I wait too long.
Creeper world is cool strategy game that is like real time strategy and tower defense but the enemy is a liquid. You can place your guns anywhere and you manage your energy and infrastructure. Also there have been 5 or so games that are all related by the single dev since the days of flash games (5 mainline that add new features and sometimes switch it up and one related but unique game). It's worth checking out knuckle cracker games.
I write out the phrase Office Hours fairly regularly and although I know how to spell both words, the alliteration sound sometimes throws me off enough that I write Office Ours and then angrily correct it a second later.