# Kevin Herzig > Personal site of Kevin Herzig, an application developer from Steyr, Austria. He works at the Startbox advertising agency and builds playful web toys, WordPress plugins and games. The site is in German. ## Main project - [Cat Chaos](https://herzigkev.in/cats/): an interactive playground with falling cats, moon gravity and a disco mode ## WordPress plugins - [Plugin overview](https://herzigkev.in/plugins/): G-Rev and SlotPress. Both are free to download with all features, GPL-2.0-or-later, no paid version. - [G-Rev](https://herzigkev.in/plugins/grev/): Google reviews as widgets for WordPress and Elementor, synced through the Places API or entered manually without an API key - [SlotPress](https://herzigkev.in/plugins/slotpress/): appointment booking for WordPress with working hours, staff, classes, Stripe, invoices, calendar sync and self-service ## Games - [Games overview](https://herzigkev.in/spiele/): Meow-nary, Nekoshiki, Canopy and Budkeeper - [Meow-nary landing page (English)](https://herzigkev.in/meownary/en/): a free Takuzu binary puzzle with black and white cats, four board sizes, three difficulties and a daily puzzle. It runs offline and has no ads or tracking. - [Meow-nary landing page (German)](https://herzigkev.in/meownary/): the same page in German - [Nekoshiki landing page (English)](https://herzigkev.in/nekoshiki/en/): a free Futoshiki logic puzzle with cats, three levels from 4×4 to 6×6. It has no ads and no account. - [Nekoshiki landing page (German)](https://herzigkev.in/nekoshiki/): the same page in German - [Canopy landing page (English)](https://herzigkev.in/canopy/en/): a pixel-art logic puzzle with 420 levels in 10 worlds. It runs offline and has no ads or in-game purchases. It gives no growing instructions. - [Canopy landing page (German)](https://herzigkev.in/canopy/): the same page in German - [Canopy full version on itch.io](https://herzigkevin.itch.io/canopy): buy the full game for $4.20 ## Budkeeper Budkeeper is a pixel-art collectible card and plant-care game by Kevin Herzig. All values are fictional game values. It gives no growing instructions and does not encourage consumption. - [Budkeeper landing page (English)](https://herzigkev.in/budkeeper/en/) - [Budkeeper landing page (German)](https://herzigkev.in/budkeeper/) - [Full version on itch.io](https://herzigkevin.itch.io/budkeeper): buy the full game for $4.20 ## 420 - [420 (English)](https://herzigkev.in/420/en/): overview of cannabis-related work: games, WordPress plugins for two associations and a media automation with a Telegram bot. It also describes his GEO and SEO work: making websites findable and citable for language models (llms.txt, robots.txt, schema.org data, answer-focused content) as well as in classic search - [420 (German)](https://herzigkev.in/420/) - [420 (Czech)](https://herzigkev.in/420/cs/) ## Learning material - [Study scripts](https://herzigkev.in/coding/): summaries and code examples for PHP and JavaScript - [Flashcards](https://herzigkev.in/coding/lernkartei.html): interactive flashcards for the theory ## Contact and legal - Email: mail@herzigkev.in - [Legal notice](https://herzigkev.in/impressum.html) - [Meow-nary legal notice](https://herzigkev.in/meownary/en/impressum.html) - [Meow-nary privacy policy](https://herzigkev.in/meownary/en/datenschutz.html) - [Nekoshiki legal notice](https://herzigkev.in/nekoshiki/en/impressum.html) - [Nekoshiki privacy policy](https://herzigkev.in/nekoshiki/en/datenschutz.html) - [Canopy legal notice](https://herzigkev.in/canopy/en/impressum.html) - [Canopy privacy policy](https://herzigkev.in/canopy/en/datenschutz.html)