Professor Jasper Thomas

Creator: lemurkat

Updated:17/12/2025 23:07:06

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About this Mod

This is the standalone version of Professor Jasper Thomas. Do not install if you are using East Scarp 3.0.

Geologist Professor Jasper Thomas was once ridiculed by his peers for his "outlandish" theories about the smoluanu. Now he has returned to Pelican Town. Will you help him regain his confidence? Or will he succumb to his own obsession?

Professor Jasper Thomas is a shy and polite geologist and anthropologist who recently returned to Pelican Town to continue his research on the smoluanu. Obsessed with his work and his quest for knowledge, can you help him discover that there's more to life?

He now lives in the newly added second floor of the Archaeology House—which also houses a collection of archives (more details below)!

Note: Header portrait image provided by Airyn.

For a list of compatible mods (and to answer THAT question everyone keeps asking), please click the Items Tag).

If you encounter any issues with Jasper, please report them in the "Bugs" or "Feedback" section, and I’ll do my best to resolve them. Logs are appreciated!

Jasper's 6-heart event includes multiple scenes with sprite and schedule changes. It has been rewritten for multiplayer compatibility and features two broadcast events.
Only the host can initiate the 6-heart event.

Spoiler:

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The first broadcast event triggers only when you first leave the farmhouse in the morning. The second event begins at least 7 days after the first, once the host enters the mines. It is recommended to prepare your farmhands before starting it.

(Co-op mode is currently in beta as it has not yet been fully tested.)

Jasper's six-heart event requires at least one in-game month to complete. A very dramatic incident occurs during this period. If you have any concerns about this, please let me know and I will do my best to address them.

A few things to keep in mind:

~~The Dwarf will not appear in the game until you have either fully experienced Jasper's 6-heart event or obtained the translation guide.~~
This feature has been disabled and is now configurable for a more immersive experience. If you load a save where you have already befriended Dwarf, you will receive a bonus cutscene.
Added gift preferences, a birthday, and dialogue for Gunther. You can now befriend him (though he won't leave the counter). He will also always end conversations by remarking on your lack of donations. NOT ACTIVATED WITH SVE/BGAM/ME.
Added gift preferences and dialogue for Marlon (conditional/configurable) NOT COMPATIBLE WITH SVE/BGAM
Dwarf Changes: Modified the interior of the Dwarf cave prior to encountering them for narrative purposes.
Additional dialogue and lore added for the Dwarf.
Adjusts your farm cave layout. Default is "false". Change to "true" for a modified cave featuring a hot spring and a shortcut to the mines.
(Must befriend the Dwarf to unlock this shortcut).

The Archaeology House archives hold many new facets of Stardew Valley's history.

Spoiler:

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Some content connects to my other mods (Mr. Ginger, the Ranch Expansion). If you have your own lore-related mod and wish to contribute your own lore to the archives, please message me and I’ll see what can be arranged. Note: You may occasionally encounter references to a character named "Mona." This is NOT the custom NPC(s) of the same name.

Gift Preferences:

Spoiler:

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Loves: Jasper, Diamond, Rare Disc, Blueberries.
Likes: Dwarven artifacts, most Geode Minerals, most Gemstones.

Heart Events:

Spoiler:

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2 Hearts: Enter the museum's second floor while Jasper is in his quarters.
4 Hearts: Enter Cindersap Forest while Jasper is roaming there.
6 Hearts: Begins on the farmhouse step. Requires viewing the two previous heart events first. Consists of multiple parts and takes at least one in-game month to complete. Once started, the next step should be self-explanatory. Visit Jasper in his museum rooms at least once a week to progress, as there are multiple heart events.
8 Hearts: Enter the Archaeology House after completing the 6-heart event.
8+ Hearts: Visit Town 11-4 on a sunny day. Must have seen previous events.
10 Hearts: Jasper will mail you a letter with the details.
14 Hearts: Begins at the farmhouse, concludes in the mountains. Three events.
The final event only activates very late at night (11:30 PM to 1:00 AM) on a sunny day. You must enter the map during this time for it to trigger.

Several events have also been added for the Dwarf. However, the first one only triggers if you already know them before reaching 6 hearts with Jasper. The second is part of the 14-heart event, but it's optional and easy to miss.

SPECIAL THANKS:
- Airyn for his absolutely gorgeous portraits of Jasper, and his lovely spritework (portraits are configurable, sprites are now standard).
- Nin and Archer for their equally stunning character art (especially Nin, who perfectly captured my original vision for Jasper).
- Bo has a stunning RSV-compatible Marriage/Anniversary portrait (I won't show it here—let's keep it a surprise to encourage marrying him, but trust me, it's gorgeous).
- Special thanks to Hesper for cleaning up my original portraits.
- Kdau for his overall awesomeness, plus support, advice, and coding skills.
- Mouse for their TMXL expertise and answering endless questions on "how do I do this?"
- Jonqora for resolving the marriage dialogue conflict with Jas. (This was addressed in version 1.5.5, but your effort is still greatly appreciated!)
- And the dozens of other people on the Discord channel who helped me bring Jasper to life. You folks are awesome. <3

TRANSLATIONS:
Included: Spanish, Portuguese, Russian (translations may not be up-to-date), and Chinese (please refer to the link below for the latest version).
Separate Installation:
- Chinese by KatherineC4
- German by Myu