Deep Dark Abyss Productions

"Wisdom, Wonder, and the World Within."

We create apps across four key areas: immersive games that challenge and entertain, educational tools that enlighten and empower, practical utilities that enhance productivity, and wellness solutions that support your health journey. No ads, no dark patterns, no gimmicks — just honest software at a fair price.

Explore Our Apps

Our Publications

Exploring the practical and the profound through thoughtful writing

Rooted Hearth

A practical, grounded exploration of food, cooking, and home life. Focused on cooking from whole ingredients, building reliable kitchen habits, and developing recipes that are nourishing, economical, and sustainable. Emphasizing process, patience, and the satisfaction that comes from doing ordinary things well.

Visit Rooted Hearth

Many Lamps, One Flame

A long-form writing project devoted to spiritual reflection and philosophical inquiry across traditions. Drawing from Western and Eastern thought, mysticism, and psychology to explore questions of identity, suffering, ethics, and the divine. Many lamps may differ in form, but they draw from a single flame.

Visit Many Lamps

One More Beat

Writing from the other side of a heart transplant — personal narrative, hard-won insight, and practical information for those living with heart disease, transplant, and the long work of recovery. One more beat at a time.

Visit One More Beat

At Ground Level

Observations on technology, organizations, and leadership from three decades in enterprise infrastructure and major incident management. A look past the buzzwords at what actually happens when strategy, process, and people meet under pressure. At ground level, systems tell the truth.

Visit At Ground Level

Rogue Wayfarer

A travel and rebuilding narrative from the other side of a heart transplant and the end of a 35-year marriage — car camping toward full-time RV life, one mile and one reckoning at a time. New heart. Open road. No map.

Visit Rogue Wayfarer

Our Applications

DDAP Sigil
Featured

DDAP SIGIL

One identity across every Deep Dark Abyss game. No email, no password, no account to make: your Sigil is created in whichever game you open first, and the others pick it up on their own. Your gamertag, friends and blocks travel with you, and every leaderboard shows your friends first, then the world. Look for the mark on the games that use it.

About DDAP Sigil

🎮 Games

Abyss Sudoku

Abyss Sudoku

🧪 Beta · iOS & Android
DDAP Sigil

Classic Sudoku, done carefully: every puzzle solvable by logic alone, five levels from Easy to Master, a new Daily Challenge every day, hints that teach, and leaderboards with your friends.

Abysstris

Abysstris: Neural Matrix

🔥 Now Available

The ultimate evolution of block puzzle games with stunning cyberpunk visuals, neural AI technology, and precision ghost piece controls. 11 unique pieces, devastating power-ups.

Gust

Gust

🧪 Beta · iOS & Android
DDAP Sigil

You are the wind. Drag back from a big puffy cloud and blow the dust bunnies off their towers — without dropping the gold. 76 levels in six regions, six bosses, and a new Daily every day.

Popocalypse

Popocalypse

🧪 Beta · iOS & Android
DDAP Sigil

One little pop. Total annihilation. A one-tap chain-reaction game with a B-movie grin: 18 specimens with attitude, 110 boards of mayhem, five bosses, and a new Daily every day.

Popsana

Popsana

🧪 Beta · iOS & Android
DDAP Sigil

One tap. A chain of light. A calm, one-tap puzzle with music composed as you play, a lotus mandala for every cleared level, and a Zen mode for simply playing.

Riɣi

Riɣi

🌟 Now Available

A meditative orb-popping experience designed for relaxation and mindfulness. Watch glowing orbs cascade and react in beautiful chain reactions.

Rokubo

Rokubo

🧪 Beta · iOS & Android
DDAP Sigil

Guess the six-letter word in seven tries. The next generation of Sextet, with a Daily Challenge that follows you between devices, friends leaderboards, and celebrations that change with the seasons.

Saepta

Saepta

🧪 Beta · iOS & Android
DDAP Sigil

Dots and Boxes, set in stone. The pen-and-paper classic on dark marble: four AI opponents, Sæpta boards with walls and gold tesserae, a Daily board, and forty-eight puzzles that teach the endgame.

Sextet

Sextet

🟩 Now Available

Guess the six-letter word in seven tries using color-coded feedback and logic. Now with iCloud sync across all your devices, Holiday Mode with themed daily challenges, and a cleaned 4,500+ word list. No ads, no fluff — just words.

Shīwù

Shīwù (失误)

🧪 Beta · iOS & Android
DDAP Sigil

One mistake. That's all it takes. A neon arcade game in two modes: the classic snake reborn as a ribbon of light, and an arena where trail fights trail. Today's high scores, friends leaderboards, and an original synthwave soundtrack.

Sprenzy

Sprenzy

🧪 Beta · iOS & Android
DDAP Sigil

Three sparks. One ignition. Clear the board. A chain-reaction puzzle where nothing is random — 100+ verified-solvable levels, a new Daily Challenge every day, and leaderboards with your friends.

TerriTrix

TerriTrix

🧪 Beta · iOS & Android
DDAP Sigil

Draw a line. Close the shape. Claim the ground. Classic arcade territory capture: claim 75% of the board while dodging the Glitch, the Sentries and the fuse. Daily Sprint and verified leaderboards.

📚 Education

Hebrew Flash

Hebrew Flash

🇮🇱 v3.0 Now Available

Biblical Hebrew, from alef to vocabulary: every letter and vowel, 840 words and phrases with SBL transliteration, quizzes, and a live Hebrew calendar. Free, with an optional one-time Scholar upgrade ($4.99) for adaptive review and a progress dashboard.

Forty Nine Days

Forty Nine Days

✡️ Now Available

A companion for counting the Omer — the 49-day journey from Pesach to Shavuot through the seven sefirot of Kabbalah. Daily blessing in Hebrew, transliteration, and English, kabbalistic reflections, a sefirah-coded calendar, and nightfall-aware reminders. Available on iOS and Android.

📋 Productivity

Arikh

Arikh

📱 v3.0 Now Available · iPhone, iPad & Mac

The professional text editor for iPhone, iPad, and Mac — one $19.99 purchase covers them all. Open and edit 20+ file types — code, scripts, Markdown, and more — with syntax highlighting, multi-tab editing, and full file access.

Post Friendly

Post Friendly

🖥️ Now Available · macOS

Turn a Markdown file into a published WordPress post — images, categories, tags, and scheduling handled — then walk it out to LinkedIn and Facebook. Built to work alongside an AI. Nothing leaves your Mac but the posts you send to your own sites. One purchase, $14.99.

Sleep Friendly

Sleep Friendly

🌙 Now Available · iOS & Android

The alarm clock that respects your sleep. A dedicated nightstand clock with a dim-friendly display, live weather from the National Weather Service, reliable alarms, and a shake-to-flashlight shortcut. Free with up to three alarms — $0.99 Pro upgrade for unlimited alarms and additional clock faces.

🛠️ Utilities

Lantern

Lantern

🧪 Beta · iPhone, iPad & Mac

Illuminate your network. 80 professional network tools for iPhone, iPad and Mac that speak the network's own protocols directly — DNS, ICMP, SNMP, SMTP and more. Twelve tools free; one purchase unlocks everything, with no subscription.

DevIconGen

DevIconGen (D.I.G.)

🚀 Now Available

The essential icon generation tool for iOS and macOS developers. Create all required app icon sizes instantly with a single click. From 16x16 to 1024x1024.

Telesma

Telesma

🧪 Beta · Android

Themes that follow the day: home and lock screen pictures for dawn, day, dusk and night, with matching ringtones and alarms, plus widgets that put a new saying on your home screen. One-time purchases, no subscriptions.

MailKP

MailKP

🔥 v2.0 Now Available

Email cleanup that puts you in control. Whitelist-first protection, verified deletion, and on-device junk detection for any IMAP account — clear years of buildup without risking the messages that matter.

SFSymView

SFSymView

📱 Now Available

The essential toolkit for iOS developers working with Apple's SF Symbols. Browse, search, and preview over 6,000 symbols with live animations and SwiftUI code generation.

🌿 Wellness

Aevora

Aevora

🩺 In Development

Track your health with purpose. Aevora gathers Apple Health data and user input to generate clean, doctor-friendly reports. One tap sends your summary to care teams.

About Deep Dark Abyss

Deep Dark Abyss Productions is an independent development studio creating high-quality applications across four key categories: Games that challenge and entertain, Education tools that enlighten and empower, Utilities that enhance productivity, and Wellness solutions that support your health journey.

From the cyberpunk puzzle evolution of Abysstris to the meditative flow of Riɣi, from developer tools like SFSymView to educational apps like Hebrew Flash, our diverse portfolio reflects our commitment to creating meaningful digital experiences. Whether you're solving word puzzles, learning Biblical Hebrew, tracking your health, or building iOS apps, our goal is to make every interaction purposeful.

We believe in honest software. That means fair, transparent pricing — our newer apps are either priced upfront or free with a Pro upgrade that adds real capability, while some of our older apps and the games remain free. What you won't find: ads, manipulative upsells, artificial feature locks, or subscription treadmills. Just straightforward software at a fair price.

We're committed to quality over quantity, privacy over tracking, and creativity over conformity. In the future, we plan to expand into additional genres, including productivity tools, health and habit tracking, and new puzzle formats that blend play with purpose.

"Wisdom, Wonder, and the World Within."

Get In Touch

Have questions or feedback? We'd love to hear from you.

Contact Us