Are The First Million and D4 Defence similar?

They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.

Does The First Million run on Steam Deck?

Yes — The First Million is rated Deck Verified by Valve. D4 Defence doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.

The First Million vs D4 Defence

The First Million and D4 Defence both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. Both released in 2026. The First Million is Deck Verified on Steam Deck; D4 Defence has no Deck rating yet. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose The First Million

Choose The First Million if you want the Custom Volume Controls, Playable without Timed Input, and Keyboard Only Option side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. The First Million launched in 2026.

Choose D4 Defence

Choose D4 Defence if it matches what drew you to this matchup. D4 Defence launched in 2026.

Both The First Million and D4 Defence sit in Strategy on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

The First Million vs D4 Defence — Steam metadata comparison
	The First Million	D4 Defence
Released	2026	2026
Genres	Strategy	Strategy
Platforms	Windows, macOS, Linux	Windows
Steam Deck	Deck Verified	Unrated
Price	Price unknown	Price unknown
Steam reviews	—	—
Multiplayer	Single-player only	Single-player only
Developers	Sonderland	Wonderbounce Games

Side by side

Both are Strategy games on Steam.
Both released in 2026.
The First Million is Deck Verified on Steam Deck; D4 Defence has no Deck rating yet.