Key art for Grand Emprise: Time Travel Survival

Game review

Grand Emprise: Time Travel Survival

4 / 10

Developer
Tbjbu2
Publisher
Tbjbu2
Released
27 July 2023
Platforms
Windows
Genre
Survival, Crafting, Base Building
Monetisation
One-time purchase. No advertisements or microtransactions.
Players
Single-player only

The short version

Grand Emprise: Time Travel Survival is a solo-developed survival-crafting game released 27 July 2023, promising a journey through six eras of human history — from riding dinosaurs to launching a Dyson sphere — built on a single character's colony, tools and technology. It sits at a lifetime Mixed 68.6% across 844 reviews. This review reads a substantial share of both samples and finds a genuinely striking premise undercut by a specific, detailed and widely corroborated allegation: several of the game's most-upvoted negative reviews, independently and in detail, describe entire levels as unmodified demo scenes pulled from Unreal Engine Marketplace asset packs rather than original environments built for the game. That claim is dated and confirmed by a separate, verifiable fact — the developer announced a sequel, Grand Emprise 2: Portals Apart, just five months after launch, following only a handful of patches, which a meaningful share of reviewers cite directly as evidence the original was abandoned rather than finished.

Biggest strengths

  • The core premise — progressing a single colony through six distinct historical and science-fiction eras, from dinosaurs to a Dyson sphere — is genuinely ambitious for a solo developer, and several reviewers credit real creativity in how the eras connect
  • A minority of reviewers report genuine enjoyment, with one describing the mix as reminiscent of Ark, Factorio and Satisfactory in miniature
  • Steam's achievement data shows a comparatively gentle drop-off between the mid-game and the final Dyson Sphere era, suggesting the late-game content that exists holds attention for players who reach it

Biggest weaknesses

  • Several of the game's most-upvoted negative reviews — independently, in detail, and with specific descriptions of individual levels — allege that portions of the game are unmodified demo scenes from Unreal Engine Marketplace asset packages rather than custom-built content; this review cannot independently verify the claim but reports its prevalence and specificity as a serious, recurring pattern across the corpus rather than an isolated complaint
  • The developer announced a sequel, Grand Emprise 2: Portals Apart, on 27 December 2023 — five months after launch and following only a handful of patches — which a meaningful share of reviewers across 2023 to 2025 cite directly as evidence the original game was abandoned rather than completed
  • Steam's achievement data shows steep early attrition, with less than 40% of players reaching the second of six eras and fewer than a quarter reaching the third

Who it's for: Only survival-genre curiosity seekers prepared for real jank and unfinished systems, and only at a steep discount; not recommended at full price given the specific, detailed authenticity concerns raised by a large share of its own negative reviews.

Our recommendation: Skip it at full price. The premise is genuinely ambitious, but the well-documented asset-sourcing concerns and the developer's own move to a sequel within months of launch make this a hard game to recommend supporting as currently sold.

4 / 10

Introduction

Grand Emprise: Time Travel Survival pitches an unusually large scope for a solo-developed survival game: start as a primitive settler taming dinosaurs, and work through colonial, industrial and modern eras all the way to constructing a Dyson sphere, all within a single continuous colony. Developed and released by solo creator Tbjbu2 on 27 July 2023, it sits at a lifetime Mixed 68.6% across 844 reviews. This review reads a substantial share of both the negative and positive samples and finds a game whose ambition is genuinely real, and whose most serious problem isn't difficulty or bugs in the ordinary sense, but a specific, detailed and widely repeated claim about where its content actually came from.

A specific, corroborated claim worth taking seriously

The clearest and most consequential finding in this review's negative sample is not a vague complaint about quality — it's a detailed, independently repeated allegation that several of the game's levels are unmodified demo scenes from Unreal Engine Marketplace asset packages, rather than environments built for Grand Emprise specifically. The top three most-upvoted negative reviews, each posted independently within days of launch, describe this in specific terms: one states that "almost all game levels are blank unmodified Unreal Marketplace demo scenes, without any narrative"; another names the practice directly as "an actual asset flip," describing the maps as recognisable "example-map/demo map" content used to showcase what the underlying asset packs can do. This review cannot independently verify these claims, but the specificity, independence and volume of the reports (well beyond an isolated single review, and consistent across reviewers who otherwise disagree on other points) means this is reported here as a serious, corroborated pattern in the review corpus rather than a rumour, and it should weigh heavily on any purchase decision.

A sequel, five months later

A separate, independently verifiable fact sharpens the picture further. On 27 December 2023 — five months after Grand Emprise's launch, and following only a handful of "Improvements & Fixes" patches in the first two weeks of August — the developer announced Grand Emprise 2: Portals Apart and asked players to wishlist it. Multiple reviewers across 2023, 2024 and into 2025 cite this move directly as the reason they no longer trust the developer, several explicitly calling it a "cash grab" or describing feeling abandoned mid-playthrough. One reviewer summarises the pattern bluntly: "They made a really promising start that was fun and epic. But they then just abandoned the game and announced a second game." Whatever the developer's actual intentions, the timeline itself — a five-month gap between launch and a sequel announcement, with minimal patching in between — is a documented fact this review can report plainly rather than needing to interpret.

What some players genuinely found

It would be unfair to the minority of reviewers who did enjoy the game to omit their perspective entirely. Several describe real satisfaction with the era-progression concept, one comparing the overall mix to "Ark, Factorio and Satisfactory," and another — writing after reaching the industrial era — pushing back specifically against the negative reviews, noting that Steam's own achievement data showed 18.7% of players had reached that point at the time of writing, which they took as evidence the game held attention better than its detractors suggested. Steam's current achievement figures broadly support that reading for the late game specifically: attrition between the modern era and the final Dyson Sphere era is comparatively gentle, suggesting players who make it deep into the game tend to see it through. The steepest drop-off happens early — under 40% of players reach the second of six eras at all — which is consistent with a rocky, unpolished opening driving away a majority of buyers before the game's more ambitious later content has a chance to land.

Final Verdict

Grand Emprise: Time Travel Survival has a premise worth admiring on paper — one solo developer attempting to span the entire arc of human technological history in a single survival game is a genuinely bold undertaking, and the players who stuck with it describe real moments of satisfaction. What this review can't set aside is how detailed and independently corroborated the asset-sourcing concerns in its own review corpus are, nor the documented fact that a sequel was announced just five months after launch while the original sat with minimal support. Buyers considering this game should weigh both of those facts carefully against the premise's appeal, and this review can't in good conscience recommend it at full price given what its own audience has documented in such specific detail.

Pros and cons

Pros

  • The core premise — progressing a single colony through six distinct historical and science-fiction eras, from dinosaurs to a Dyson sphere — is genuinely ambitious for a solo developer, and several reviewers credit real creativity in how the eras connect
  • A minority of reviewers report genuine enjoyment, with one describing the mix as reminiscent of Ark, Factorio and Satisfactory in miniature
  • Steam's achievement data shows a comparatively gentle drop-off between the mid-game and the final Dyson Sphere era, suggesting the late-game content that exists holds attention for players who reach it
  • No advertisements or microtransactions layered onto the base purchase

Cons

  • Several of the game's most-upvoted negative reviews — independently, in detail, and with specific descriptions of individual levels — allege that portions of the game are unmodified demo scenes from Unreal Engine Marketplace asset packages rather than custom-built content; this review cannot independently verify the claim but reports its prevalence and specificity as a serious, recurring pattern across the corpus rather than an isolated complaint
  • The developer announced a sequel, Grand Emprise 2: Portals Apart, on 27 December 2023 — five months after launch and following only a handful of patches — which a meaningful share of reviewers across 2023 to 2025 cite directly as evidence the original game was abandoned rather than completed
  • Steam's achievement data shows steep early attrition, with less than 40% of players reaching the second of six eras and fewer than a quarter reaching the third
  • Multiple reviewers describe unpolished systems, jank, and a general sense of assembled rather than designed content, even among those who found parts of the game enjoyable

Category scores

Category scores are the reviewer's read on each area. They inform the overall score but do not average into it — the number at the top of the page is a judgement, not a calculation.

  • Gameplay 4 / 10
  • Progression 4.5 / 10
  • Performance 4 / 10
  • Value 3 / 10
  • Originality 3 / 10