Frail Tourniquet

Good one, but it would be better to make it as a normal campaign

Tested this campaign several times to figure out few things. Actually this campaign is unique, as it's still kind of rare to see custom campaigns with melee weapons as the mechanism to open the paths or turn on the switches that can't be opened by any kind of attacks except melee weapon. Even certain blockades can only be removed only with specific melee weapons. Few old custom campaigns did this kind of feature, like "Back To School" at the movie theater, "Fall In Death", but not on all of the maps. This campaign uses this mechanism on all of the maps, so bringing melee weapon is a must in this campaign. & now on the new version, zombies spawn normally so it's not lonely anymore when trying to solve some puzzles with melee weapons.
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The bot navigation is actually fine. Even there's a feature about L4D1 survivor support just like in "The Passing". campaign. Some highlighted melee icons on some objects to use melee weapon on are helpful enough to figure out where to smash the melee weapon at, but some places has no highlight so players need to think & figure out on their own. As this is a forced "Bleed Out" campaign, probably players need to restart few times to figure out where to go & what to do if they can't figure out where to go, but once they remember the objectives of each map, they can clear the map fast enough. Some objects have glow so that can help players find something they need. The supplies of pill seem enough, & survivors get pumpshotgun & magnum pistol in the beginning of map. However, somehow it lacks grenade supplies on map 1 & 2.
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Map 1 is about figuring out where to go out from the closed room. There's a hidden melee weapon. As long as players know where to find the melee weapons & where to use, there's no problem. Some objects are highlighted to help players find something. There's a challenge here when survivors have to defend the escorting L4D1 survivor when he is trying to find a way out. The challenge depends on the mode the players is playing. If they play normal coop with the forced "Bleed Out" mode, they have normal challenge, but if they use mutation to play this map, they have a different challenge. But I won't tell the different challenge on mutation mode. There are some clues about certain traps. but they are visible traps so players can anticipate them if the observe the clues & move carefully enough.
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Map 2 starts in a cave. Like map 1, players need to collect the melee weapons to open the blocked paths. If they can clear map 1, map 2 would not be difficult enough to clear either. There's a challenge near the end of the map. & remember to pick the melee weapons there, as map 3 still needs melee weapons.
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Then, the finale is an escape finale, with some objectives to do. The objectives are easy to figure out as there are glows on the objects. There's a tank challenge in the mid way, but the place is good enough to run backward while shooting so it should be no problem. The paths are clear enough, so as long as players follow the paths & still carry a melee weapon, they can head to the rescue location. The L4D1 survivors are also there to do some cover fires near the rescue location.
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In overalls, this campaign is a good campaign with simple puzzles. It's easier than the "Witch House" by the same author. If players want to play safely, they can trigger another mutation to deactivate the forced "Bleed Out" mutation. For example, using "Gib Fest" mutation will enable the "Gib Fest" instead. The forced "Bleed Out" mode on the new version is still playable somehow, as there are more pill supplies. Btw, sometimes bug of missing melee weapon still happens on map 1 on baseball bat, though it's now rare to happens compared to the previous version. On my 4 tries on map 1, I couldn't find the baseball bat once. Probably, there might be some solutions that could fix this thing permanently. If it's possible, maybe it can use the mechanisms to trigger the melee spawn, like for example, when pressing the switch on the control room, not only it opens the locked door but it also spawns the melee weapon randomly in that area.