You could check out Kingdom Death: Monster. You could use many of your 40k minis as your survivors, and it would come with a ton more minis to build and paint. Alternately, you could try to find somebody selling the game for cheaper without minis, and only use 40k minis in the game.
You could check out Kingdom Death: Monster. You could use many of your 40k minis as your survivors, and it would come with a ton more minis to build and paint. Alternately, you could try to find somebody selling the game for cheaper without minis, and only use 40k minis in the game.