Terraforming Mars - Prelude (DLC)

Terraforming Mars on PC is a faithful digital adaptation of the beloved tabletop engine-builder, and the Prelude expansion does one specific thing: it compresses the notoriously slow opening rounds by giving each player a hand of Prelude cards at the start of a game. These cards hand you resources, production bumps, or immediate project advantages before turn one even begins. In the board game, Prelude is widely considered the best expansion released for the base game, largely because the first two or three rounds of a standard game involve a lot of "pass, can't afford anything" moments that drag the pacing. Prelude surgically removes that dead time. For the digital version specifically, the implementation works mechanically. You get your Prelude cards, you pick two, and you immediately feel the difference. Corporations that previously needed five rounds to get their engine running can now start firing on most cylinders by round two or three. If you are playing as a mining-heavy corp like Interplanetary Cinematics or a science-focused one like Inventrix, the extra production tokens land exactly where they should. The card selection UI is consistent with the base game, which means it is serviceable but never elegant. You will be squinting at small icons if you are not running a high-resolution display. The mixed Steam review score at 71% positive deserves some unpacking, because the complaints cluster around two things: bugs at launch that Artefacts Studio was slow to patch, and the sense that a single-expansion DLC at its price point feels thin as a standalone purchase. Both are fair criticisms. The Prelude content itself is not broken at this stage, but the base game's AI has long-standing issues with suboptimal play at higher difficulties, and Prelude does not fix that. The AI still makes questionable card-buying decisions late in a game, which undercuts the tension in solo or vs-AI sessions. If you are buying this to play against friends in async or real-time multiplayer, the AI problem is moot, and the expansion genuinely shines. From a depth-of-decision standpoint, Prelude adds meaningful variance without bloating the card pool irrationally. Each Prelude card is a miniature build-order decision: do you take the resource spike now and tempo ahead, or do you take the production multiplier and play the long game into generation eight or nine? Those are real choices that compound across a full session. The mod ecosystem for the PC version is limited compared to what you might expect from a Paradox-style title, so do not go in expecting community-built scenarios or ruleset overhauls. What you get is what the box says. For newcomers, a note worth making: do not start with Prelude if you have not played the base game enough to understand what a production bump is actually worth. The expansion assumes you can evaluate "plus two steel production" against "place an ocean tile immediately" without the game explaining either. The base tutorial does a reasonable but not outstanding job of teaching those fundamentals, so clock a few solo runs first. Once you have that grounding, Prelude makes every subsequent game feel tighter and more purposeful. The payoff curve is noticeably steeper and more satisfying. Bottom line: this is a content-slim but mechanically sound expansion that does exactly what the tabletop version does. It respects your time more than the base game does and rewards players who already know what they want their corporation to do by generation four. The AI limitations and the sparse feature set keep it from being an automatic recommendation, but for anyone playing with human opponents who knows the base game reasonably well, Prelude is the first expansion to grab.

Diego · Scout Team

Strategy & simulation

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