A base game built to be survived
Dead or Alive 2 is a Wild West slot whose base game is intentionally thin. Line wins from the revolvers, hats, sheriff badges and outlaw portraits are modest and infrequent, and the game makes little attempt to pay for itself between features. Everything meaningful is held back for the free-spin rounds.
Scatters are what you are waiting for. Landing enough of them opens a choice screen where you select which of the three free-spin modes to play, and that decision is the only real strategic moment in the game. Outside of the feature, the base spins are effectively the price of admission.
Three free-spin modes, three different risks
Each mode is built around sticky wilds but resolves very differently. The Old Saloon mode holds wilds in place as they land and adds spins when new ones arrive, giving the steadiest of the three outcomes. High Noon Saloon attaches multipliers to its sticky wilds, so results depend on whether those wilds land on paying lines.
The Train Heist mode is the volatile extreme. Its multiplier climbs as sticky wilds accumulate and additional spins are granted when new wilds appear, so a round either builds into something substantial or collapses almost immediately. It is the mode that gives the game its reputation, and also the one that most often returns nothing.
Why the variance needs respecting
This is one of the most volatile mainstream slots in circulation, and that is not a marketing line. Long losing runs without a single feature are the normal experience, and the majority of features that do trigger end well below the stake invested to reach them. Plan sessions around that rather than around the exceptions.
Stake sizing is therefore the main decision a player controls. Because the game concentrates its returns into rare feature rounds, a bankroll sized for a low-volatility slot will not survive here. NetEnt released it in 2019 as a successor to the original, and it is considerably more volatile than most of the studio's catalogue.