Perimeter: Emperor's Testament

I have a soft spot for RTS games that force you to rethink resource management from scratch, and Perimeter: Emperor's Testament is exactly that kind of game - if you can tolerate its considerable rough edges. The core loop is built around real-time terrain modification: you flatten the sponge-like alien landscapes to generate energy, then use that energy to spread your pylon network and raise your defenses. Your entire army is built from just three base unit types - soldiers, officers, and technicians - which you combine in labs to morph into heavier forms like tanks, mortars, and ceptor choppers on the fly. Switching your whole army composition mid-battle with a few clicks is the kind of decision space that genuinely rewards planning. When it clicks, it clicks hard. The campaign spans roughly two dozen missions and picks up the Perimeter lore involving the Emperor's Vice Frames, the Mechanical Messiah, and three-way faction warfare between the Scourge, the Emperor's forces, and the Spirits. I will be honest with you: the narrative is genuinely baffling. Cut-scenes bounce between factions without warning, terminology is barely explained, and the English manual is a documented mess with unit names that don't always match what's on screen. If you want a coherent story campaign, look elsewhere. If you treat the lore as ambient weirdness from a Russian studio operating at full creative tilt, it becomes part of the charm. From a systems perspective, the design shows its age in ways that matter. The AI is the biggest red flag for me - enemy units take poor pathing decisions, and the Scourge creatures that stalk your perimeter borders behave erratically enough to break immersion without meaningfully threatening a prepared player. There is no tutorial, which is a real problem because the mechanics here are not intuitive. The perimeter force-field that gives the game its name costs a significant chunk of your energy reserves to activate, and new players will likely drain themselves into collapse before understanding that it is an emergency tool, not a standing defense. Expect an hour or two of trial-and-error before the systems start to feel natural. The fog-of-war is absent entirely, so the tactical read is always complete - which flattens some of the tension you might expect from a map this large. Multiplayer exists but carries its own baggage. GameSpy support is long dead, leaving LAN, direct IP connection, and GameRanger as your options - none of which make finding a match convenient. The map selection for multiplayer is slim. For a modern player buying this in 2024, multiplayer is essentially theoretical. The solo campaign is the real product here, and it is dense enough to keep a Perimeter fan occupied for a solid run. Resolution support is also worth flagging: widescreen users on full HD monitors may hit UI breakage above 1280x960, which is the kind of technical friction you either accept or patch around via community fixes. The honest verdict is that Emperor's Testament sits in a narrow band of "for existing fans only." It does not ease newcomers in, does not update the formula meaningfully, and carries forward every limitation of the 2004 engine. But the morphing unit system and real-time terraforming still feel genuinely distinct from anything else in the genre, and the 25-mission campaign gives you ample time to master both. If you played the original Perimeter and wanted more of it, that is exactly what this delivers. If you are new to the series, play the base game first - the mechanics demand the context. Diego, Scout Team

Runs flawlessly on Linux out of the box. Based on 3 ProtonDB community reports.

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