You spawn on a massive flat landmass surrounded by water. The land is exactly 2 blocks above sea level. This is the riskiest of the flat seeds (watch for flooding if you dig down), but it is the most defensible. Zombies have to swim across a water moat to reach your walls, allowing your archers to pick them off slowly.
💡 Seeds work across recent versions (0.9.x – 1.x). colony survival flat world seed
Is it just me or is flat land really hard to find now? : r/colonysurvival You spawn on a massive flat landmass surrounded by water
: Often cited by the community for its large, open plains biome near the spawn point, which minimizes the need for extensive excavation. How to Achieve a "Flat World" Effect colony survival flat world seed