A bunch of stuff that I think should be removed.
I think the text suggestion adventure "The war on nukes" should be removed, since it didn't go very far and it's been 2 months since it's last post.
The text suggestion adventure "Wanderer"/"Raleigh Crane: Wandering Blind Telekinetic Female Swordsmage" should be removed as the GMer is banned, so the chance of it continuing is effectively null.
The text suggestion adventure "You are in a dark room." should be removed as the GMer has started a number of other games since then (which are likely also abandoned) and the last post is a while ago, thus this game along with several others is likely abandoned.
The ASCII adventure "ADAMANTINE ADVENTURE" read above.
The Multiplayer Adventure game "=Bronze Battle Axe=" hasn't been posted in for 5 months and the GMer has likely moved on to other things.
The Multiplayer Battle Adventure "Varotan-The Pits Of Hell" should be removed as it didn't get very far and it's been 5 months since it's last post.
The Multiplayer Battle Adventure "Pixel Survival" is likely dead (WAAAAAHHH!) since every update image is deleted.
The Multiplayer Battle Adventure "F-moarg" is likely dead, since the game's been on pause for 6 months and the GMer hasn't even logged onto the forums for 5 months.
The crafting game "Hephaestus' Automatons" doesn't seem like it'll be getting back up any time soon and it's been succeeded by "Divine Craftsmanship".
The Cravenball game "gamOS" seems to have lost it's players, and it's been 5 months since it's last post, so it's likely dead.
The Cravenball game "Mornington Crescent" is likely dead from the same reason as gamOS. And it's been 7 months since it's last post.