Super Scribblenauts Does Not Support DS Download Play

No. Super Scribblenauts is single-player only. Download Play requires all players to own the cartridge — but this game has no multiplayer mode.

Why Not

• Core mechanic: type any word → object appears. Synchronizing infinite object dictionary across DS wireless bandwidth impossible.
• No competitive/cooperative modes designed.
• Sequel Scribblenauts Unlimited (3DS/Wii U/PC) added object editor sharing — but not Download Play.

DS Games With Download Play

• Mario Kart DS: 8 players, 1 cart.
• New Super Mario Bros.: 2-player co-op, 1 cart.
• Advance Wars: Dual Strike: 4-player vs, 1 cart.
• Pokémon Diamond/Pearl/Platinum: Union Room (trade/battle), 1 cart.
• Tetris DS: 10-player, 1 cart.

For creative wordplay with friends, try Scribblenauts Unlimited on Steam (workshop sharing) or Scribblenauts Showdown (party mode, Switch/PS4/Xbox).