Graveyard Keeper 2 braids three genres together, and "what should I play next" depends on which strand hooked you. The honest first recommendation is the series' own first half: the original Graveyard Keeper ($3.99 on Steam at last check, and the story's setup) covers the management line in 2D. Beyond that, by line:
If you want more of the management loop
The first Graveyard Keeper is the obvious one, and it plays differently enough (no Town, no battles, slower automation) to feel like a companion rather than a repeat. Beyond the series, look for management sims where the theme does the heavy lifting and the loop is chains: plant, process, sell. The sequel's own structure, a daily energy budget spent across competing stations, comes from that school.
If you want more of the factory line
The zombie factories are the sequel's automation layer: semi-automatic machines, conveyor belts, throughput as a puzzle. If that is the part you liked, factory games are the deepest genre on the shelf; the difference is theme (industrial rather than necromantic) and scope (Graveyard Keeper 2's factory is one system inside a life sim, not the whole game). Titles built around belt logistics and machine chains scratch exactly that itch.
If you want more of the battle layer
Weekly street battles with barricades, towers and squads are light tower defense wearing a management game's coat. If you want that layer with more depth, tower defense as a genre is the direct line. If you want it with more game around it, base-defense hybrids pair the fighting with the building.
If you want more of the tone
The gothic-comedy management skin, a "cozy spreadsheet with corpses" as one press review had it, is its own niche: dark humor over earnest systems, satire aimed at commerce. That tone cluster includes the first Graveyard Keeper and a handful of morally askew management games where the joke is that the numbers keep working.
For how the two series entries differ, start with the series background; if you are early in the sequel, the tips page is the triage, and the review roundup collects how it landed.
One comparison to skip
Comparisons to farming sims like Stardew Valley come up constantly because of the pixel-adjacent look and daily-energy rhythm. The honest version: Graveyard Keeper 2 shares the daily-routine skeleton, but its loop is about throughput and margin, not seasons and relationships. If someone recommends it "like Stardew with zombies", expect less farming and more logistics.
FAQ
Is Graveyard Keeper 2 like Stardew Valley?
Only structurally: both run on a daily energy budget and a routine. Graveyard Keeper 2's loop is corpse logistics, factory throughput and town commerce, with the gothic-comedy tone as the wrapper.
Should I play the first Graveyard Keeper first?
Not required, but recommended if the story interests you: the sequel treats the original's events as the cause of its zombie apocalypse, and it costs less than a tenth of the sequel at current prices.