Mercury

A review database disguised as a theme

Plenty of niche themes give you a demo homepage and a blog post template. Mercury's vendor description starts somewhere else: three pre-built custom post types for affiliate marketing — casinos/bookmakers, games, and bonuses. The casino type is where the modelling gets serious. The marketplace feature list names taxonomies for Categories, Software, Deposit Methods, Withdrawal Methods, Withdrawal Limits, Restricted Countries, Licences, Languages, Currencies, Devices, Owner and Established.

Those facets are what let a visitor narrow a list instead of reading it: casinos that accept a particular deposit method, hold a named licence, or support a set of languages. Games carry Categories and Vendors, so a game can be tied to a provider and grouped by type. Bonuses have a single Categories taxonomy.

The practical distinction is between the structure and the content. Mercury supplies the fields and the archive pages that read them; writing the reviews, filling in the restricted-country lists and choosing an owner for each brand is the editorial work of launching the site.

Layout counts belong to entry types, not homepages

The layout inventory in this theme is organised around what you are publishing. The vendor lists 6 layouts for a single casino/bookmaker page, 6 for a single game page, 2 for a single bonus page, 9 layouts for a casino/bookmaker archive page, 2 for a game archive page, and 4 post templates for ordinary articles.

The nine casino archive layouts are the interesting number. An archive is the page where you rank or compare brands, so having several arrangements to choose from means the same underlying casino records can be presented as a grid of logo cards, a long-form top list, or something in between without rebuilding the data. That is a different kind of flexibility from a theme that ships dozens of homepage demos.

Because the counts are per type, decide the design per type before you start filling in entries. Picking one casino archive layout and one game archive layout at the start saves you from discovering later that your chosen arrangement does not suit the number of records you actually have.

The monetisation fields: ratings, links, codes

According to the vendor description, a casino review carries a five-point rating, a description and logos, plus an affiliate external link. Game reviews take external affiliate links and a vendor assignment. Bonus entries hold external affiliate links and bonus codes, and the bonus page can be rendered in a light or a dark style.

The changelog adds mechanics that matter for running affiliate sites. Version 3.9.10, from June 2024, records a function to mask affiliate external links and a floating bar for the game page. Link masking is listed as a feature, with no detail supplied about the method used or how it interacts with any affiliate programme's own link requirements — worth confirming with the author if outbound link handling is central to your setup.

Shortcodes do the listing work: the vendor lists custom shortcodes for casinos, games and bonuses, and a later release added a shortcode for game providers (vendors). The changelog also records a load-more button being added to some casino shortcodes and fixed later, so long lists can grow without a page reload.

Restricted-country handling

Gambling affiliates operate under jurisdictional rules, and Mercury lists "the geolocation function for restricted countries" among its features. The casino post type also carries a Restricted Countries taxonomy, which is where those countries would be recorded against a brand.

Read the claim for what it is. The vendor states the function exists and that restricted countries are a taxonomy on casinos; the description does not explain how geo rules are configured, whether they block content, hide links, or only display notices. Treat it as a visitor-facing control to configure and test, and not as a compliance system. Legal exposure for gambling promotion is your own to assess.

Shortcodes, not blocks

Mercury is marked Gutenberg Optimized: No in the marketplace attributes observed on 3 November 2026, while the vendor's own count is 37 custom shortcodes plus the casino, game and bonus shortcodes. Practically, the review components — casino cards, top lists, game listings — come from shortcode configuration, and the archive styles added in version 3.9.8 were built on shortcodes as well.

That does not mean the block editor is unusable for articles, but do not expect to drag review blocks into a layout. The assembly model is closer to inserting configured shortcodes into pages, with theme options controlling colours, header schemes and logos. Widget-ready areas are declared, sticky menus and sidebars are listed, and a child theme ships alongside a .pot file, which matters if you intend to adjust templates or translate the site.

Maintenance, compatibility and what the demo does not include

The marketplace lists version 3.12 as the latest release, and its changelog entry fixes compatibility with PHP 8.3, updates the ACES plugin and moves Font Awesome to 7.3.1. Earlier entries show a theme that has tracked core releases: 3.11 addressed WordPress 7.0, 3.10 addressed 6.9, 3.9.12 addressed 6.8. The declared compatibility range covers WordPress 6.7.x through 7.1.x, which is a vendor and listing statement rather than a result from installing Mercury on your server.

Two integrations are named. The vendor says the theme is compatible with the Slots Launch plugin, and the changelog shows that relationship being built — 3.9.4 added compatibility and 3.9.5 added a demo for the plugin. Version 3.9.11 added the ability to rename the casino, game and bonus post type keys, marked for developers only, which is relevant if slugs conflict with an existing site.

One caveat appears in the vendor's own credits: preview images belong to their owners and are not included with the purchase. The demo layouts and post types come; the Adobe Stock artwork does not, so budget for imagery when you plan the launch.

Questions & answers