i have been thinking about using a real city map as a grid. each building and each open space is a block. that would make for some interesting challenges, especially when the blocks are colored like a real map. would fit well with the bomb squad idea. although i would design fictional cities, as a real city might make people feel uncomfortable given real bomb threats happening in some places
If you have a Fantasy city which is these weird polygons - you could make some great themes on cities - What if you will have creeps coming from Your Occupied side of the map, and you have to identify the snipers in the buildings in order to create a safe pathway throgh the city for your creeps... (tower defense style) as you reveal in a click-through fog-of-war manner, when you reveal swaths of "streets" as you click, it will allw creeps to have a safe or not path - and you have to be able to click a safe path fast enough before youre creeps get sniped...
(now, if you want to make it super controversial with a viral hope; They are refugees attempting to escape a war torn sci-fi city as they are caught in the crossfire of to warring factions... the snipers dont shoot at the refugees, per se, they shoot across the path at eachother, and if the refugees have only that revealed path to run through - they wil get shot, so as long as you keep revealing safe routes, they will follow that, but if they reach fog or a revealed sniper alley, they will still take the sniper alley unless you safely de-fog a safe passage. Sometimes tanks roll down an alley and they will be turned to Student Burgers if they get caught by the tanks...
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You could do a multi-player version, which could be similar to https://GENERALS.io [0]