The appropriately-titled Waterloo is a Roblox campaign based in the early 1800s, around the Napoleonic Wars. Per the official description, it's "a 1,000 man battle fought on a 10,240 x 8,192 studs ...

Roblox apparently has done this for some desktop users via its icons. As you’ll see in the tweet below, the game has changed the icons for the player and studio programs.